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GBZ/T 160.74-2004 Methods for determination of aromatic nitro-compounds in the air of workplace (USD) via email in 1-3 business day ABOLISHED
GBZ/T 240.5-2011 (USD) via email in 1-3 business day VALID
GB/T 16111-1995 Workplace air—Determination of dimethyl formamide-Gas chromatographic method via email in 1-3 business day please email coc@codeofchina.com for quotation
GB 11522-1989 Hygienic standard for titanium dioxide dust in the air of workplace (USD) via email in 1-3 business day
GB/T 16054-1995 Workplace air—Determination of styrene—Thermal desorption gas chromatographic method via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 284-2016 Guideline for protection against occupational hazards of n-hexane via email in VALID please email coc@codeofchina.com for quotation
GB 16202-1996 Health standard for chloroprene in the air of workplace (USD) via email in 1 business day ABOLISHED
WS/T 239-2004 Biological limit value for occupational exposure to carbon disulfide (USD) via email in 1 business day VALID
GBZ/T 160.39-2007 Determination of alkenes in the air of workplace via email in ABOLISHED please email coc@codeofchina.com for quotation
GBZ/T 160.50-2004 Methods for determination of alkoxyethanols in the air of workplace (USD) via email in 1-3 business day VALID
GB/T 16059-1995 Workplace air—Determination of acetone—Solvent desorption gas chromatographic method via email in 1-3 business day please email coc@codeofchina.com for quotation
GB 11721-1989 Health standard for elthylene oxide in the air of workplace (USD) via email in 1-3 business day
GB 10436-1989 Hygienic STANDARD for microwave radiation in the work environment via email in 1-3 business day please email coc@codeofchina.com for quotation
GB/T 33715-2017 Nanotechnologies—Health and safety practices in occupational settings relevant to nanotechnologies (USD) via email in 1-8 business day VALID
GB/T 17065-1997 Workplace air--Determination of l,l-dimethylhydrazine--Gas chromatographic method via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 300.48-2017 Determination of toxic substances in workplace air—Part 48: Ozone and hydrogen peroxide via email in VALID please email coc@codeofchina.com for quotation
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