WS/T 169-1999
Workplace air.Determination of n-heptane.Gas chromatographic method (English Version)

Standard No.

WS/T 169-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Hygiene

Status

Withdraw 2004-12

Latest

WS/T 169-1999

Replace By

GBZ/T 160.38-2004 GBZ/T 160.67-2004

Scope

This article specifies the direct injection-gas chromatography method for determination of n-heptane concentration in workplace air. This article is applicable to the determination of n-heptane concentration in the air in workplaces.

WS/T 169-1999 history

• 1999 WS/T 169-1999 Workplace air.Determination of n-heptane.Gas chromatographic method

WS/T 169-1999 Workplace air.Determination of n-heptane.Gas chromatographic method was changed to GBZ/T 160.38-2004 Methods for determination of alkanes in the air of workplace.

WS/T 169-1999 Workplace air.Determination of n-heptane.Gas chromatographic method was changed to GBZ/T 160.67-2004 Methods for determination of isocyanates in the air of workplace.