Abstract
This specification covers volumetric pipets of two classes. Class A, Precision Pipet and Class B, General Purpose. Borosilicate glass for pipets shall conform to the glass requirements specified. Pipets shall be calibrated to deliver the intended capacity. The pipets shall consist in general of a suction tube and a delivery tube separated by a bulb; all three parts shall be permanently attached together. All markings shall be permanent and legible.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This specification covers volumetric pipets of two classes. Class A, Precision Pipet and Class B, General Purpose.
Note 1—
Specifications for micropipets are given in Specification E193. 1.2 Product with a stated capacity not listed in this standard may be specified class A tolerance when product conforms to the tolerance range of the next smaller volumetric standard product listed in Table 1.
TABLE 1 Requirements for Volumetric (Transfer) Pipet
| Nominal
Capacity,
mL | Capacity Tolerance,
mL | Length of Delivery Tube, mm | Inside Diameter at
Capacity Mark, mm | Maximum Distance Between Bulb and Graduation Mark, mm | Minimum Outflow
Time, sA | Color-Coding
Band |
| Class A | Class B | min | max | min | max | Class A | Class B |
| 0.5 | ±0.006 | ±0.012 | 100 | 140 | 1.3 | 4 | 60 | 5 | 3 | black (2) |
| 1 | ±0.006 | ±0.012 | 100 | 140 | 2 | 4 | 60 | 8 | 3 | blue |
| 2 | ±0.006 | ±0.012 | 120 | 150 | 2 | 4 | 60 | 8 | 3 | orange |
| 3 | ±0.01 | ±0.02 | 130 | 170 | 2 | 4 | 60 | 8 | 5 | black |
| 4 | ±0.01 | ±0.02 | 130 | 170 | 2 | 4 | 60 | 8 | 5 | red (2) |
| 5 | ±0.01 | ±0.02 | 130 | 170 | 2 | 4 | 60 | 8 | 8 | white |
| 6 | ±0.01 | ±0.03 | 150 | 190 | 2 | 4 | 60 | 10 | 8 | orange (2) |
| 7 | ±0.01 | ±0.03 | 150 | 190 | 2 | 4 | 60 | 10 | 8 | green (2) |
| 8 | ±0.02 | ±0.04 | 150 | 190 | 2 | 4 | 60 | 10 | 8 | blue |
| 9 | ±0.02 | ±0.04 | 150 | 190 | 2 | 4 | 60 | 10 | 8 | black |
| 10 | ±0.02 | ±0.04 | 150 | 190 | 2 | 4 | 70 | 15 | 8 | red |
| 15 | ±0.03 | ±0.06 | 180 | 220 | 3.5 | 5.5 | 70 | 25 | 10 | green |
| 20 | ±0.03 | ±0.06 | 230 | 260 | 3.5 | 5.5 | 70 | 25 | 10 | yellow |
| 25 | ±0.03 | ±0.06 | 230 | 260 | 3.5 | 5.5 | 70 | 25 | 15 | blue |
| 30 | ±0.03 | ... | 230 | 260 | 3.5 | 5.5 | 70 | 25 | ... | black |
| 40 | ±0.05 | ... | 230 | 260 | 4 | 6 | 70 | 25 | ... | white |
| 50 | ±0.05 | ±0.10 | 230 | 260 | 4 | 6 | 70 | 25 | 15 | red |
| 100 | ±0.08 | ±0.16 | 230 | 260 | 5 | 7 | 80 | 30 | 20 | yellow |
2. Referenced Documents (purchase separately) 
The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
E193 Specification for Laboratory Glass Micropipets
E438 Specification for Glasses in Laboratory Apparatus
E920 Specification for Commercially Packaged Laboratory Apparatus
E921 Specification for Export Packaged Laboratory Apparatus
E1133 Practice for Performance Testing of Packaged Laboratory Apparatus for United States Government Procurements
E1157 Specification for Sampling and Testing of Reusable Laboratory Glassware
Keywords
glass; pipets; volumetric;
ICS Code
ICS Number Code 71.040.20 (Laboratory ware and related apparatus)
DOI: 10.1520/E0969-02R12
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