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GBZ/T 300.161-2018 Determination of toxic substances in workplace air - Part 161: Tribromomethane $130.00 via email in 1~3 business day valid
GBZ/T 300.162-2018 Determination of toxic substances in workplace air - Part 162: Benzoquinone $130.00 via email in 1~3 business day valid
GBZ/T 300.163-2018 Determination of toxic substances in workplace air - Part 163: Toluene diisocyanate $130.00 via email in 1~3 business day valid
GBZ/T 300.164-2018 Determination of toxic substances in workplace air - Part 164: Diphenylmethane diisocyanate $130.00 via email in 1~3 business day valid
GBZ/T 300.165-2024 Determination standard of toxic substances in workplace air―Part 165: Acetochlor $90.00 via email in 1~3 business day valid
GBZ/T 300.17-2017 Determination of toxic substances in workplace air—Part 17: Manganese and its compounds $100.00 via email in 1~3 business day valid
GBZ/T 300.19-2017 Determination of toxic substances in workplace air—Part 19: Molybdenum and its compounds $105.00 via email in 1~3 business day valid
GBZ/T 300.2-2017 Determination of toxic substances in workplace air—Part 2: Antimony and its compounds $100.00 via email in 1~3 business day valid
GBZ/T 300.21-2017 Determination of toxic substances in workplace air—Part 21: Potassium and its compounds $100.00 via email in 1~3 business day valid
GBZ/T 300.22-2017 Determination of toxic substances in workplace air—Part 22: Sodium and its compounds $100.00 via email in 1~3 business day valid
GBZ/T 300.23-2017 Determination of toxic substances in workplace air—Part 23: Strontium and its compounds $60.00 via email in 1~3 business day valid
GBZ/T 300.25-2017 Determination of toxic substances in workplace air—Part 25: Thallium and its compounds $100.00 via email in 1~3 business day valid
GBZ/T 300.26-2017 Determination of toxic substances in workplace air—Part 26: Tin and its inorganic compounds $100.00 via email in 1~3 business day valid
GBZ/T 300.27-2017 Determination of toxic substances in workplace air—Part 27: Dibutyltin dilaurate, trimethyltin chloride and triethyltin chloride $190.00 via email in 1~3 business day valid
GBZ/T 300.28-2017 Determination of toxic substances in workplace air—Part 28: Tungsten and its compounds $75.00 via email in 1~3 business day valid
GBZ/T 300.29-2017 Determination of toxic substances in workplace air—Part 29: Vanadium and its compounds $60.00 via email in 1~3 business day valid
GBZ/T 300.3-2017 Determination of toxic substances in workplace air―Part 3: Barium and its compounds $105.00 via email in 1~3 business day valid
GBZ/T 300.30-2017 Determination of toxic substances in workplace air—Part 30: Yttrium and its compounds $75.00 via email in 1~3 business day valid
GBZ/T 300.31-2017 Determination of toxic substances in workplace air—Part 31: Zinc and its compounds $130.00 via email in 1~3 business day valid
GBZ/T 300.32-2017 Determination of toxic substances in workplace air—Part 32: Zirconium and its compounds $70.00 via email in 1~3 business day valid
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