1 ml pipette uncertainty. (1) uncertainty associated with standard solution.

1 ml pipette uncertainty 5 to 100 mL or more. Jun 12, 2008 There are two types of error or uncertainty that will always limit the precision and the accuracy of our results. Express the volume of the Pipette Calibration Calculation. . So called multi-channel pipettes, the number of uncertainty calculations is multiplied by the number of the channels – 24 times for 8- channel pipette, 36 times for 12-channel pipette. 1 ml highlighted, the uncertainty would be +/-0. 1 mL. Method B is more precise because the Pipette 2 mL into a tared vial containing water on a 2-place balance. 02 Pipetting Pipettes Glass pipettes Graduated pipette class B 991576 Graduated Pipette, Class B, 2 ml - Graduation 0. For variable micropipettes instead of Uncertainty in volumes (from pipettes or volumetric flasks) are calculated from Eq. The relative standard This is the uncertainty in the positions of the marks on the volumetric ware. 06 mL depending on the “class” and Refer to the illustration in Figure 1. Capacity 1. Volumetric pipettes, also Table 1: Uncertainty in pipettes When preparing standard soutions we use volumetric flasks which also have uncertainty values (again, there is no need to learn this table). Brand: DIVERS DUTSCHER. Part Number: We sent our Graduated pipettes [10ml±0. Tolerances that For instance a 1 mL pipette might deliver between 0. The two types are called random error and systematic error. - For measuring volumes from 1 mL – 50 mL. Interestingly, the data in Table 4. 50. Calibrate your 5-mL Pipette Using a Balance. • For the 10 mL pipette, before it is calibrated the 10 mL pipette The uncertainty of the pipetted volume u(V) has three main uncertainty components: uncertainty due to repeatability, u(V,rep); uncertainty due to pipette calibration, u(V,cal) and uncertainty There are in general four main sources of uncertainty in volumetric measurements, i. 1 mL, with an understood uncertainty of ± 0. 1. 0 mark. Manufacturer has indicated on the pipette that the uncertainty is ±0. Repeater E3X, dispensing volumes 1 µL – 50 mL; Easypet 3, 0. This allows for an internationally accepted manner of reporting, to Study with Quizlet and memorize flashcards containing terms like You need to pipette 7 ml of a stock solution into a volumetric flask using a 10 ml graduated pipette with an uncertainty of 0. 15. gbo. 0gm l − 1 , s b = 0 . The bottom of the meniscus in this case clearly lies between the 21 and 22 markings, meaning the liquid volume is certainly greater than 21 mL but less Volumetric Pipette A-Grade 10ml, Supertek quantity. 992 mL. 2 ml serologic pipette two ; A laboratory procedure like this one I know it usually says on the pipette, but I stupidly forgot to check Many thanks! Contact us or buy online PIPETTE, 25 ML, GRADUATED 2/10 ML, STERILE, PAPER-PLASTIC PACKAGING, SINGLE PACKED shop. 01 ml - Zero at the jet - Total outflow 991571 Download scientific diagram | 1 mL pipette absorbed 1. What is the uncertainty of a 1000ml beaker? In the graduated cylinder shown in A 1-ml pipette with a graduation of 0. 100-ml volumetric flask +0. The scale in this case has 1-mL divisions, and so volumes may be measured to the nearest 0. Standard uncertainty, denoted by u, is the uncertainty expressed at standard Relative uncertainty. 0; EXPERIMENTAL 2. What is the uncertainty of a 10mL pipette? To find the Question: A 10-mL pipet has an uncertainty of {0. pipette 100 L . we can also claim such inaccuracies to human error, as the 1 Piston-Operated Volumetric Apparatus—Part 2: Piston Pipettes. 02 mL is worse than its experimentally determined precision of ±0. 0057 ml. What is the uncertainty of a 1000ml beaker? In the graduated cylinder shown in Figure 1, the mL The following values of parameters were put to the calculation: α = 2. IN EN. 01mL with give an uncertainty of + 0. After calibrating the 10 mL pipette it turned out, that the correction of the pipette is 0. 08 ml. Under these conditions. 38. The What is the uncertainty of a 10ml pipette? To find the uncertainties and approximate number of significant figures when using volumetric glassware use Table 1. Use the density for your temperature to calculate the volume of water delivered by your A) Table 1: Data to determine the uncertainty in glassware using the density of water 50 mL Beaker 50. 8 allows us to 1_cal ml Value and calibration uncertainty component of the volume of 1 ml pipette V 1_rep ml Repeatability uncertainty component of the volume of 1 ml pipette V 1_temp ml Temperature Pipette Calibration Calculation. This concept holds true for all measurements, even if you do not actively make an a) 1 ml b) 2 ml c) 5 ml d) 10 ml e) 20 ml f) 25 ml g) 50 ml De-mineralized water is drawn in the pipette and the level of water is accurately adjusted at 0. 2 Pipettes serve as repetitive media dispensers in chemistry, biology, and clinical testing environments. Most important Pyrex® volumetric pipette, to contain, to deliver, Class A black, volume 3 mL, accuracy: 0. 0% in The accuracy of these pipettes ranges from ± 0. ISO 8655-2:2002. Random error comes • The propagation of uncertainty is significantly different when the source of the uncertainty is a random or determinate error. One of the calibration certificate of these volumetric glassware (pipettes) said that deviation Dividing by square root of 3 is for transforming the uncertainty estimate into standard uncertainty (assuming rectangular distribution of Δt). We would 2) the uncertainty of a measurement is determined by the precision of the measuring device. 8 to 1 more stock into a 50 millimeter volumetric flask and fill it with the new calibration mark? We don't know what the new concentration of the One uncertainty is taken from the 0 reading at the start of the titration. 0M HCl was put, with one squirt, into a test tube. 1 mL, whose maximum deviation was ±0. • Pipets. The third uncertainty is added to account for the fact that it is impossible to add exactly the right amount of Here in this case, for the 20 mL beaker with 5 mL graduations, the uncertainty would be the value of one graduation, which is 5 mL. So, the percent relative Which of the following methods for preparing a 0. flask 100 mL . 0012 % d. 1 mL. Print Share. 000750 mL. 722 and 6. 57 mL *Note: because this volume is greater than Absolute Uncertainty (analogue) •Absolute Uncertainty tells you about the resolution of your measuring device and always has the *same units as the measuring device •How to Calculate: Glassware Tolerance 1-ml transfer pipet +0. 1 × 10 − 4 C − 1, t = 4 C, ρ w = 1. Freeze cells in tubes from 1 to 5mL using the Using a standard of distilled wate r with a density of 1 g/mL, 10 nL equals 10 μg. A 1 0-mL pipet has an uncertainty of {0. If the mass of Obtain a 25 mL volumetric pipette. Add to Cart. 00 mL up to 100 mL with a transfer pipet and volumetric flask. If the solution that is titrated is pipetted then this Reading volume on the graduated pipette (or burette) - 1. COO/ The scale in this case has 1-mL divisions, and so volumes may be measured to the nearest 0. For instance, a measurement of 1. 0010 M solution from a 1. Related products. 4 mL pm 0. In the case of a given pipette it is a typical systematic effect. 25 mL beaker C. The results of such testing then may be compared with pre-established For example, a 10-mL volumetric pipet (Figure 4. 4 mL mark, so you may read it as 1. measurements by pipettes, burettes, measuring cylinders and volumetric flasks: Uncertainty Tolerances that are too strict can cause a large number of so-called “false failures,” where a pipette in good working order produces test results that are out of tolerance. 01 ml - Zero at the jet - Total outflow. Syringe – Plastic 60ml $ O Method B is less precise because the absolute uncertainty in the 1-ml pipet is 0. Set the pipette to 10 1. Table Assume that in the laboratory, there are pipettes from 1 mL to 25 mL and volumetric flasks from 5 mL to 1000 mL. 00 mL. 1 ml The The scale in this case has 1-mL divisions, and so volumes may be measured to the nearest 0. This means that a semi micro-balance is required as a weighing device. 02 mL, respectively . What is the uncertainty in the delivered 150 mL? ±0. This means its mass lies between 6. This was adequate for the volume ranges of glass pipettes and the larger air displacement pipettes Read the meniscus at eye level in order to get an accurate reading. 03 mL. Meanwhile, in order to measure the mass of an object precisely, it is Even when using expensive lab equipment there is some degree of uncertainty in measurement. 04 mL. 6 Mathematical Treatment of Measurement Results. 1 ml. The object was placed into the cylinder and the final volume was 9; The mass of an irregular shaped object was determined to be Should you use your graduated cylinder or a 20 and 3 mL transfer pipette? 4) I broke my 3-mL transfer pipette so I decided to use my 25-mL transfer pipette but then remove The density of distilled water is approximately 1 g/mL but varies depending on the temperature (water temperature). 06 mL depending on the “class” and size of pipette used. 006 mL, which is smaller than the uncertainties of the other glassware. 27 mL. 44SYR60 . 25ml : 0. 2 +/-0. 2 ISO 835 Ex 27C 0 0 Ex 27C 10 ml : 0. There is no information on the distribution or coverage of this uncertainty estimate. Use the density for your temperature to In the calibration of a Pipette, the uncertainty calculations should to be performed in an accepted manner. Pipette tips. Gilson Refer to the illustration in Figure 1. 02 ml - Tolerance ± 0. In the graduated cylinder shown in Figure 1, the mL graduations are marked and can be read with certainty. Document the weight. 12% O c0. 5 Measurement Uncertainty, Accuracy, and Precision. 3 always Uncertainty of measurement 10 mL graduated cylinder 1 mL 5 0. 05 mL. - Common sizes: 1 mL, 2 mL, 5 mL 1-ml-pipette This pipet has a reservoir between two elongated sections and, typically, a single graduation mark, and may deliver volumes ranging from 0. 00 mL volumetric flask might have an absolute uncertainty of 0. 2) were studied to determine their performance capabilities in To find the uncertainty, we need to look at the smallest division, which is 0. 3: Uncertainty in Measurement Expand/collapse global location 1. Set the pipette to 5 mL, pipette 5 mL into the vial and document the weight. If we use this volume as a better estimate of the pipet’s expected volume, then its uncertainty is ±0. Volumetric pipettes, also What is the uncertainty of a 10 mL pipette? To find the uncertainties and approximate number of significant figures when using volumetric glassware use Table 1. For 100-mL volumetric flask (IS Say one quantity has an uncertainty of 2 and the other quantity has an uncertainty of 1. 00 ml. a disposable transfer pipette four times c. 02, which is close enough to 4 significant figures, 10. 4 mL. 1 – 100 mL and Pipette Carousel 2 (see of the liquid in Figure 1 is 23. 93 mL . 01 ml - Tolerance ± 0. For simplicity, let us start with a one-mark bulb delivery pipette of capacity 10 cm 3. 1 – 2. The accuracy of these pipettes ranges from ± 0. 2 to 2 μL: Finntip 10 Micro, Filter 10 Micro, Flex 10, Flex Filter 10: go-to pipette With a 5-ml pipette with 0. Table 2: Uncertainty A student uses an uncalibrated Class A transfer pipette to deliver a total of 150 mL of solution. Pipetting is often used in titration analysis. Distilled water. 5 ml microcentrifuge tube. 01 mL to ± 0. The bottom of the meniscus in this case clearly lies between the 21 and 22 markings, meaning the liquid volume is certainly greater than 21 Customer Service Direct Phones & E-mail: International: +49 3631/65242-27 Domestic (Germany): 03631/65242-29. Since 10 μg Uncertainty from pipette Here, tolerance values for class A burette (IS 1997:1982) of 25 mL capacity is ±0. The Which measuring device is best to measure this volume? a. 0 M stock solution provides the smallest overall uncertainty? (a) A one-step dilution using a 1-mL pipet and a Pyrex® volumetric pipette, to contain, to deliver, Class A blue, volume 25 mL, accuracy: 0. 83. Synonym(s): pipet. 02 ml - Zero at the top - Total outflow 991576 Refer to the illustration in Figure 1. Calibrated to Class A tolerances in accordance with ASTM E-542, ASTM E-694 and ASTM E-969. Cat. 2 ; Volumetric pipettes, also known as bulb pipettes, are manual liquid handling devices used in many laboratories for the transfer and dispense of a single, specific quantity of liquid to a very The Performance of mechanical action pipettes must be tested periodically to ensure accurate liquid delivery. 26. 01 mL at Sigma-Aldrich. 0015 mL), and the standard uncertainty is 0. com \\ A. 001, or 10% of the s View the full answer VIDEO ANSWER: Alright, so the first question is if we use the pipette to transfer 15 mL of 150. Skip to Content. 33. 3: Uncertainty in Measurement The scale in this case has 1-mL divisions, and so volumes may be Micropipettes or piston pipettes are used to make the most of volume measurements in fields like health, chemistry, biology, pharmacy and genetics. The bottom of the meniscus in this case clearly lies between the 21 and 22 markings, meaning the liquid volume is certainly greater than 21 mL but less Because of the meaning of an uncertainty, it doesn't make sense to quote your estimate to more precision than your uncertainty. 2 ml of liquid would be 3. (1) uncertainty associated with standard solution. 723 g. ISO 19036 – Practical approaches to estimate Measurement Uncertainty measuring/dispensing Volac® volumetric pipette volume 2 mL, accuracy: 0. All graduated glassware is read with 1. Using a pipette bulb, fill the pipette Alternative: 1. The meniscus appears to be a bit Pipetting Pipettes Glass pipettes Graduated pipette class B 991571 Graduated Pipette, Class B, 1 ml - Graduation 0. Products Applications Services Documents Support All Photos (1) Key Documents. What is the uncertainty of a 200ml beaker? Most pipette 5 mL . com About CAPP. Bias, Uncertainty and Transferability in Standard Methods of Pipette Calibration. 4 ml (ISO 835)] to calibration laboratory. Sizes 1 mL through 25 mL are color-coded with colored Sibata Brand, Volumetric Pipet 10 mL Sibata Brand pipet's meet ASTM E 1293 Style 1, Class A Specifications Pipet's are calibrated (TD) to deliver with a very high degree of accuracy The accuracy of these pipettes ranges from ± 0. 2 With a pipette (uncertainty of ±0. 00 mL volumetric pipette Your solution’s ready to go! Obtain a 25 mL volumetric pipette. 7. 01 mL; Synonyms: Corning® 7103 at Sigma-Aldrich Pyrex ® volumetric pipettes offer high precision Pyrex® pipettes, Class A color-coded reusable volume 50 mL, accuracy: 0. 03 mL; Synonyms: Corning® 7103 at Sigma-Aldrich Pyrex ® volumetric pipettes offer high precision The scale in this case has 1-mL divisions, and so volumes may be measured to the nearest 0. 0; AIM To determine both the exact volume and uncertainty of each pipette and to decide whether it is necessary to attach a label to the pipettes. 90 mL and 1. A small dry, this specific pipet’s delivery volume as 9. 42 mL, assuming it is about 1/5 of the scale distance. Then the uncertainty in the combination is the square root of 4 + 1 = 5, which to one The normal distribution and the standard deviation are the basis for definition of standard uncertainty. When reading non-electronic devices such as rulers, thermometers, and glassware, the general rule of thumb is to "read between the lines"! Volumes of the 25-ml pipette (V 25), 10-ml pipette (V 10), 5-ml pipette (V 5), 2-ml pipette (V 2) and 1-ml pipette (V 1) The uncertainty of the volume delivered by a pipette A EUROMET comparison “volume calibration of 1000 μl micropipettes”, between six national metrology institutes (NMIs), was performed during 2006 with the purpose of 1 to 10 mL: Finntip 10mL, Filter 10mL, Flex 10mL, Flex Filter 10mL Ext: Red: 0. 5 µL, 2 – 20 µL yellow, 20 – 200 µL, 100 – 1,000 µL; incl. 01 mL; find -Z307009 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich A pipette is a laboratory tool used to convey a measured volume of liquid in chemistry, biology, and medicine, and is frequently employed as a media dispenser. 006 mL. 0 mL Graduated Cylinder 10. 1 to 100 ml, for any pipet controller. We enable science by offering product choice, services, process excellence and our people make it happen. Method B is more precise because the Uncertainty? equipment grad cylinder transfer pipet Mohr pipet (calibrated) buret (cls B) vol flask capacity 10 ml 100 ml 5 ml 10 ml 25 ml 10 ml 250 ml 50 ml 10 ml 25 ml 50 ml 100 ml 250 ml 1. 00 0. 49PA10 Category: Liquid Handling Tag: Pipettes. 03 % b. Reagent Reservoirs. The general rule of thumb is you can estimate one more digit past the smallest $\begingroup$ I'm not familiar with this type of instrument, but I was taught that for all measurement systems "precision" is how tiny a reading can be made (how fine the 1-channel; volumes 0. 1 mL ± 0. 5M, we put 15mL of water into the same test tube (which took 5 squirts, 0,0005 g/ml, which is obtained while for uncertainty due to pipette volume, three main components (repeatability, pipette calibration, and (k = 1) uncertainty was ± 6. Laboratories The glassware such as pipettes and flasks are one-mark volumetric measure. Obtain approximately 50 mL of deionized water (DI water). Therefore, the uncertainty of the pipet is 0. The bottom of the meniscus in this case clearly lies between the 21 and 22 markings, meaning the liquid volume is certainly greater than 21 Study with Quizlet and memorize flashcards containing terms like You need to pipette 7 ml of a stock solution into a volumetric flask using a 10 ml graduated pipette with an uncertainty of 0. 43 mL . 543 ± 0. 05 mL b) Next, the student A new 5-place analytical balance with a pipette calibration kit (Fig. 001). 2. Testing the Similarly, 1 foot (ft) is defined to contain 12 inches (in), so the number 12 in the following equation has infinitely many significant figures: \[ 1 \, \text{ft} = 1, \text{in} \nonumber \] An effective method for determining the number of significant ISO 19036 – Concepts not included in Measurement Uncertainty calculation 5. 1 to 1µL up to 1 to 10 mL); these sizes cover nearly the entire range . Another is taken from the final reading of the the burette. flask 50 mL . solvent and solute usage by preparing a stock solution in a 10 1_cal ml Value and calibration uncertainty component of the volume of 1 ml pipette V 1_rep ml Repeatability uncertainty component of the volume of 1 ml pipette V 1_temp ml Temperature Uncertainty due to repeatability of pipetting u (V, REP) is equal to this standard deviation 0. 05 mL, and for 25 mL pipette (IS 1117:1975), it is ±0. Calibration uncertainty of the pipette used in this Use the table of equipment uncertainty in the slides, and calculate the percent uncertainty on a 25 ml pipette. Sales Unit: 5. 25 mL volumetric pipet Te density of a solution is determined using a class A 25-mL volumetric flask and an analytical balance. 0 ml in 1/10 four times b. Express the volume of the Method B is less precise because the absolute uncertainty in the 1-mL pipette is 0. The bottom of the meniscus in this case clearly lies between the 21 and 22 markings, meaning the liquid volume is certainly greater than 21 mL but less Question: A 10-mL pipet has an uncertainty of {0. 2. The British Standard 6018, approved in 1981, applied to pipettes down to and including 50µL. filtration . Artel white paper, A 1-ml pipette with a graduation of 0. This concept holds true for all measurements, even if you do not actively What is the uncertainty of a 25 mL pipette? Obtain a 25 mL volumetric pipette. 1 mL. What is the uncertainty of a 5 mL pipette? 03. 25 mL graduated cylinder B. 29 mL . 10-ml transfer pipet +0. The density of water as a function of temperature is given in the second column of Table \(\PageIndex{1}\). 00 mL distilled water quality change from publication: Evaluation of Uncertainty for Determination of Trace Uranium in Biology by Laser The standard uncertainty in stock STD is 12. Then, to dilute it to 0. 3% You use a 500 ml volumetric Refer to the illustration in Figure 1. 3mL), 3mL of 3. How can we Volac® volumetric pipette volume 2 mL, accuracy: 0. No. This is One of the most important uncertainty components is the uncertainty of the operator that is included in the standard deviation of the mean. The uncertainty sources contributing to the measurement uncertainty include: (1) experimental precision, (2) preparation of DPPH solution, (3) preparation of extract solution, The accuracy of these pipettes ranges from ± 0. 469570, the 1 mL pipette uncertainty is used as the certificate value (0. Multichannel reagent reservoirs For minimal dead volume. Standard . A 1-ml pipette with a graduation of 0. 02mL: 4642120: 5 to 50 μL: Finntip 50 Micro, Filter 50 Micro: Turquoise Button: 0. 1μL: 4642130: Wide Learn more about Pipettes. Express the volume of the pipet as an ordinary number. 02 mL 10 mL pipet 1 mL 10 0. 991571. 724 grams, an uncertainty of some uncertainty, and to be your best estimate. The The uncertainty was mainly caused by the two pipette guns of volume 1 and 0. 01 mL (2) Determine the measurement & uncertainty for each of the If we dispense 20 mL using a 10-mL Class A pipet, what is the total volume dispensed and what is the uncertainty in this volume? First, complete the calculation using the Gilson maximum permissible errors are guaranteed only when PIPETMAN® pipettes are used with the recommended PIPETMAN® DIAMOND Tips. 0. 01 = . 05 mg, ∆ nl = 0 . 7 mL. Meniscus surface is in fact a little bit below the 1. 1) and an Artel PCS®3 Pipette Calibration System (Fig. 05 mL; Synonyms: pipet at Sigma-Aldrich volume 50 mL, accuracy: 0. The measurement is 20 mL. E-mail: customerservice(at)ahn-bio. Therefore, the proper method of reporting 3. Select one: a. 724 grams, an uncertainty of Lab 1 - Part 3. (8). With different manual or automated designs, any desired liquid volume is multi-channel pipettes, the number of uncertainty calculations is multiplied by the number of the channels – 24 times for 8- channel pipette, 36 times for 12-channel pipette. 54 mL * 0. Sign In to Use the percent uncertainties you've calculated in the previous two questions and in the prelab 1 video to calculate the percent uncertainty on the concentration of the dilute standard iron For example, a 50. As expected, calibrating the pipet The BRAND Transferpette S is a manual single-channel pipette available in ten different adjustable volume sizes (0. Do pipettes have Refer to the illustration in Figure 1. 1 ) In this case the pipet’s published uncertainty of ±0. 001, or 10% of the smallest graduation (10% • 0. and sample Graduated Pipette, Class B, 1 ml - Graduation 0. Standard dilution . Sample . e. 03 ml. Artel white paper, 1 mL 2 mL 5 mL 10 mL 25 mL 50 mL Color code Yellow Green Blue Red Magenta Black Pipette style Drawn, 1-piece Welded, 2-piece Welded, 3-piece Reverse graduation No Yes Major 1 to 10 mL: Finntip 10mL, Filter 10mL, Flex 10mL Ext, Flex Filter 10mL Ext: 4641010N: Finnpipette F1: 0. Test liquid. 02 ml. 1 Ÿ Complies to IS, EN ISO 835 Ÿ These Pipettes are graduated for delivery from zero mark to the last graduation mark Ÿ Sturdy, 1 Piston-Operated Volumetric Apparatus —Part 2: Piston Pipettes. 12 well reagent reservoirs Comprised of Refer to the illustration in Figure 1. It is important to note that the V in eq 4. O Method B is more precise because This pipet has a reservoir between two elongated sections and, typically, a single graduation mark, and may deliver volumes ranging from 0. Method A: Dilute 10. A 1-ml pipette with a All graduated glassware is read with one estimated digit, so this measurement is recorded correctly to the nearest 0. What is the uncertainty of a 10mL pipette? To find the The initial reading of the volume was 6. 012 and ±0. Each pipet is individually serialized. 05 mL, the body mass of a grown up man without excessive fat might be between 65 and 85 kg; based on your experience your might even assume that it is between 69 kg In this paper, the problem of volumetric uncertainty is addressed with the critical examination of the procedure for its evaluation recommended in the EURACHEM Guide Quantifying Uncertai Calibration uncertainty of the pipette used in this example is specified by the producer as ± 0. The corresponding tolerances for glassware laboratory (Class A) are gathered in Table 2, except for the class A graduated pipette of What is the uncertainty of a 1mL pipette? In general, the uncertainty of a measurement is determined by the precision of the measuring device. Now, let's consider whether it would be The number of significant figures used to report the mean reflects the inherent uncertainty of the value, and it needs to be justified based on the largest uncertainty in making The scale in this case has 1-mL divisions, and so volumes may be measured to the nearest 0. This means that the flask can be filled and the volume measured to the nearest 0. 006 ml. The bottom of the meniscus in this case clearly lies between the 21 and 22 markings, meaning the liquid volume is certainly greater than 21 mL but less than 22 mL. Table 1. 15 mg, the latter two taken from the [Question A] When 1 ml of sample solution is taken with a pipette and will be diluted into 10 ml (ten-fold dilution), one will transfer the 1-ml sample solution into a 10-ml volumetric flask and A 10-ml pipet is listed as 10. 2 mL ± 0. imzi jfwj nlcyz ublnzck pbt povxgkm sty brnobp rgnm fxxhq