32种挥发性有机物VOC混标(表一与表二总项),2000μg/mL溶于甲醇(GB 36600-2018), CUSTOM VOC STANDARD @ 2000μg/ml in PT Methanol

正癸烷与正四十烷窗口标液,梯度浓度溶于正己烷(HJ 1021-2019), Custom hydrocarbon standard @ varied conc.in hexane

柴油中硫含量检测标准品, Sulfur Calibration Set

饮用水中金属检测标准品, Primary Safe Drinking Water Act Metals-ICP,Varied conc. in 2-5% Nitric Acid

饮用水中金属检测标准品, Primary SDWA Metals-ICP or MS,Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid

饮用水中金属检测标准品, Primary &Secondary SDWA Metals-ICP or MS,Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid

Methyl octanoate

辛酸甲酯

Methyl Undecanoate

十一酸甲酯

Methyl heptadecanoate,10.0 mg/mL in Hexane

十七烷酸甲酯

Methyl tricosanoate,10.0 mg/mL in Hexane

二十三酸甲酯