Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
WS/T 158-1999 Workplace air. Determination of 1, 4-butyrolactone. Solvent desorption gas chromatographic method $180.00 via email in 1~3 business day superseded
WS/T 159-1999 Workplace air. Determination of trichloroaniline. Gas chromatographic method $180.00 via email in 1~3 business day valid
WS/T 160-1999 Workplace air. Determination of furfuryl alcohol. Gas chromatographic method $220.00 via email in 1~3 business day valid
WS/T 161-1999 Workplace air. Determination of butyl acrylate. Gas chromatographic method $180.00 via email in 1~3 business day superseded
WS/T 162-1999 Workplace air - Determination of nitroguanidine $260.00 via email in 1~3 business day valid
WS/T 163-1999 Workplace air. Determination of dinitrotoluene $260.00 via email in 1~3 business day valid
WS/T 164-1999 Workplace air - Determination of n-butylamine - Solvent desorption gas chromatographic method $180.00 via email in 1~3 business day valid
WS/T 165-1999 Workplace air. Determination of iso-octanol. Gas chromatographic method $180.00 via email in 1~3 business day valid
WS/T 166-1999 Workplace air. Determination of methyl formate and ethyl formate. Direct sampling-gas chromatographic method $180.00 via email in 1~3 business day superseded
WS/T 167-1999 Workplace air. Determination of diketen. Thermal desorption gas chromatographic method $220.00 via email in 1~3 business day superseded
WS/T 169-1999 Workplace air ―Determination of nheptance―Gas chromatographic method $264.00 via email in 1~3 business day superseded
WS/T 170-1999 Workplace air. Determination of aniline. Solvent desorption high performance liquid chromatographic method $180.00 via email in 1~3 business day valid
WS/T 172-1999 Workplace air. Determination of decaline and tetraline. Gas chromatographic method $180.00 via email in 1~3 business day valid
WS/T 173-1999 Workplace air. Determination of carbon monoxide. Gas chromatographic method $184.00 via email in 1~3 business day abolished
WS/T 174-1999 Workplace air - Determination of lead and cadmium - Graphite furnace atormic absorption spectrophotometric method $210.00 via email in 1~3 business day abolished
WS/T 175-1999 Exhaled air —Determination of acetone—Gas chromatographic method $150.00 via email in 1~3 business day valid
WS/T 239-2004 Biological limit value for occupational exposure to carbon disulfide $90.00 via email in 1~3 business day valid
WS/T 240-2004 Biological limit value for occupational exposure to fluorine and fluorides $90.00 via email in 1~3 business day valid
WS/T 241-2004 Biological limit values for occupational exposure to styrene $90.00 via email in 1~3 business day valid
WS/T 242-2004 Biological limit value for occupational exposure to trinitrotoluene $100.00 via email in 1~3 business day valid
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