Neplatné | Vydaná: 01.11.2015

ASTM D6196-15 Neplatné

Standard Practice for Choosing Sorbents, Sampling Parameters and Thermal Desorption Analytical Conditions for Monitoring Volatile Organic Chemicals in Air

Dostupné jazyky: Anglicky

Dostupné prevedenie: Online zabezpečené PDF, Tlačené

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Podrobné informácie

Označenie: ASTM D6196-15

Dátum vydania: 01.11.2015

Stránok: 31

Poznámka: Neplatné

Krajina: Americká technická norma

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Anotácia

Keywords:
Place the sorbent or carrier tube in a compatible thermal desorption apparatus. As each tube in turn is sealed into the analytical flow path, system integrity should be checked to ensure there are no leaks which could lead to sample losses. Purge the air from each tube before heat is applied to avoid chromatographic artifacts arising from oxidation of the sorbent or damage to the chromatographic system. Heat the tube to displace the organic vapors which are pas

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