Reference Acetone,2-butanone,4-methyl-2-pentanone quality control samples in activated carbon tube BWZ7765-2016COA View product
Reference Ni quality control sample in drinking mineral water BWS0687-2016CAS 7440-02-0COA View product
Reference Ammonia nitrogen quality control sample in drinking water BWS0684-2016CAS 12125-02-9COA View product
Reference 11 perfluorinated compound quality control samples in water BWQ0732-2016COA 10.9μg/L100.1ng/L View product
Reference Methylbromide in methanol BWQ0738-2016CAS 74-83-9COA 100μg/mL1000μg/mL2000μg/mL+1 View product
Reference Dimethyl ether in methanol BWQ0735-2016CAS 115-10-6COA 100μg/mL500μg/mL2000μg/mL View product
Reference Quality control sample of hexavalent chromium in drinking water BWS0685-2016CAS 7440-47-3COA View product
CRMISO 17034 — WEIYEL 1,2-Dichloroethane in methanol GBW(E)086463CAS 107-06-2SDSCOA 100μg/mL1000μg/mL View product
Reference 1,2-Dichloroethane in carbon disulfide BWQ7536-2016CAS 107-06-2SDSCOA 100μg/mL1000μg/mL5000μg/mL View product
Reference Chlorine dioxide standard solution BWZ7099-2016CAS 10049-04-4SDSCOA 100mg/L1000mg/L5000μg/mL+3 View product
