GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace has been changed from GB/T 17069-1997 Workplace air--Determination of propionic acid--Gas chromatographic method.
GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace has been changed from GB/T 17068-1997 Workplace air--Determination of formic acid--Gas chromatographic method.
GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace has been changed from GB 16245-1996 Health standard for oxalic acid in the air of workplace.
GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace has been changed from GB 16213-1996 Health standard for acrylic acid in the air of workplace.
GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace has been changed from GB 16233-1996 Health standard for acetic acid in the air of workplace.
GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace was changed to GBZ/T 300.112-2017 Determination of Toxic Substances in Workplace Air Part 112: Formic Acid and Acetic Acid.
GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace was changed to GBZ/T 300.114-2017 Determination of Toxic Substances in Workplace Air Part 114: Oxalic Acid and Terephthalic Acid.
GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace was changed to GBZ/T 300.115-2017 Determination of Toxic Substances in Workplace Air Part 115: Chloroacetic Acid.
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