ASTM E237-02(2012) PDF

1.1 This specification covers volumetric flasks and four types of centrifuge tubes, widely used in microchemistry.

Note 1-Specifications for several items listed below were developed by the Committee on Microchemical Apparatus, Division of Analytical Chemistry, American Chemical Society.2

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 Volumetric Flask (see Fig. 1)

Style

Capacity, mL

Class A/ Tolerance, ± mL

A, ID, max/mm

B, ID, ref/mm

C, max/mm

D, max/mm

Stopper No.

I

 1

0.010

5.3

 8.25

 70

100

8

II

 1

0.010

5.3

-

 95

125

8

I

 2

0.015

6.4

10.75

 70

100

8

I

 3

0.015

6.4

13.50

 72

100

8

I

 4

0.020

7.3

14.00

 75

100

8

I

 5

0.020

7.3

15.75

 75

100

8

I

10

0.020

8.25

18.00

110

135

9

I

25

0.030

8.7

26.00

140

165

9

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Published :	11/01/2012