半定量标准, Semi-Quantitative Standard ,10 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid, tr Hydrochloric acid

渣油硫分析用标准品套标, Sulfur Calibration Set

矿物油, Light Mineral Oil Blank,Light Mineral Oil Blank

半挥发性有机物标准品, Semi-Volatile Spiking Solution,2.0 mg/mL in MeOH

半挥发性有机物套标, Semi-Volatile Spiking Mixtures Set

农残标准品, Pesticide Spiking Mix,Varied conc. in MeOH

氯丹和毒杀芬混标, Chlordane (0.3 μg/mL) &Toxaphene (5.0 μg/mL),Varied conc. in MeOH

校验标准品 1, Check Mate 1 ,Varied conc. in 5% Hydrochloric acid, 1% Nitric acid, tr HF

ISO/ DIS9377-4标准品, ISO/DIS 9377-4 Standard Mixture Stock Solution,5000 μg/mL in Cyclohexane

标准品, UCMR 4 HAA Standard without Tribromoacetic acid,Varied Conc. in MtBE