ASTM E2913 - 14

Standard Practice for Hotplate Digestion of Lead from Composited Wipe Samples

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1.1 This practice is similar to Practice E1644 and covers the hot, nitric acid digestion of lead (Pb) from a composited sample of up to four individual wipe samples of settled dust collected from the same space.1.2 This practice contains notes which are explanatory and not part of mandatory requirements of the practice.1.3 This practice should be used by analysts experienced in digestion techniques such as hot blocks. Like all procedures used in an analytical laboratory, this practice needs to be validated for use and shown to produce acceptable results before being applied to client samples.1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.4.1 Exception—Inch-pound units are provided in Note 7 and Note 9 for information.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safet

Antal sider: 4

Internationale relationer :

ICS: 13.040.99 - Andre standarder vedrørende luftkvalitet 71.040.50 - Fysisk-kemiske analysemetoder

Varenummer: A008973