GOST 20997.3-81
GOST 20997.3−81
INTERSTATE STANDARD
THALLIUM
METHOD OF SPECTRAL DETERMINATION OF CADMIUM AND ZINC
Edition official
£
BZ 6-'
IPK PUBLISHING HOUSE OF STANDARDS
Moscow
C. 3 GOST 20997.3−81
Nanyeoni element | Demenga mass fraction, % | The divergence of the two re aul, TA" on arall e Lin s x definitions. % | The discrepancy between the results of two tests, % |
I10'4 | MO-5 | 4 10−5 | |
MO-4 | 6 10"5 | s-u-1 | |
4th-4 | *4 | 2 10"4 | |
Cadmium | 8−10 | SNG4 | 4 10'4 |
M0"* | 3 10- 4 | 5 10"4 | |
2−10 | 6I0-4 | 8 10~4 | |
5−10 | 1.5 u-3 | 3 10"1 | |
3−10-4 | MO'4 | Of 1.5−10″ 4 | |
610~4 | 2 10~4 | 310-4 | |
Zinc | MO" | s u-4 | 5−10"4 |
2nd-3 | 6 10-4 | 8 10-4 | |
4 10"J | M0-* | 2I0-J |
Permitted discrepancies for the intermediate mass fraction calculated using linear interpolation, or by the formula:
d = 0.3 l; D = O Zbu,
where £ is the arithmetic mean of the results of parallel measurements; y — arithmetic mean of the results of the two tests.
Reducer M. I. Maksimova Technical editor L. A. Guseva Corrector I. Issina DTP S. V. Ryabova
Ed. persons. № 1)2354 from
Circulation 124 of ek*. With 277. Zach. 167.
IPK Isdatelstvo standards. 107076. Moscow. Kolodey… 14.
Recruited and Paulista on PC Branch IPK Izdatelstvo standards — type. «Moscow printer». 103062. Moscow, Lyalin per. 6.
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