多氯联苯混标(20种组分), PCB Window Defining Mixture,2.5 μg/mL in Isooctane

2-氯二苯并-对-二恶英, 2-Chlorodibenzo-p-dioxin

2,3-Dichlorodibenzo-p-dioxin ,50 μg/mL in Isooctane

2,3-二氯二恶英

2,3,7-三氯二苯并-对-二恶英, 2,3,7-Trichlorodibenzo-p-dioxin

原子吸收光谱法分析汽油中的铅标准品ASTM D-3237-97, D-3237 Lead Standard Calibration Curve

标准品, D-3606 Calibration Set with Internal Standard

汽油和汽油馏分沸程分布标准品/定性校准, D-3710 Qualitative Calibration Standard,Varied conc. by weight

1,2,8,9-四氯二苯并-对-二恶英, 1,2,8,9-Tetrachlorodibenzo-p-dioxin

ASTM D4629方法氮校准套标——用于低沸点溶剂, Nitrogen Calibration Set-Low Boiling Solvents

1,2,3,7,8-五氯二苯并对二恶英, 1,2,3,7,8-Pentachlorodibenzo-p-dioxin