溴代联苯标样, Custom Brominated Biphenyl Standard

2,3,6-Trichlorophenol

2,3,6-三氯苯酚

2,3,5,6-Tetrachlorophenol

2,3,5,6-四氯苯酚

硝酸钴(2+), Cobalt AA Standard,1000 μg/mL in 2-5% Nitric Acid

Molybdenum AA Standard,1000 μg/mL in Water, tr Ammonium hydroxide

Tin AA Standard,1000 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid

锡(原子吸收光谱法标准溶液)

农残混标15, Pesticide Mix 15,0.02 μg/mL in Ethyl acetate

农药混标20, Pesticide Mix 20,10.0 μg/mL in Ethyl acetate

四氯化碳标准曲线, Carbon tetrachloride Calibration Curve

空气检测DNPH混标 14组分, Air Monitoring Aldehyde-DNPH Mix 2,Varied Concentration in Acetonitrile