二乙醇亚硝胺-D8, N-Nitrosodiethanolamine-d8 @ 100 μg/mL in PT Methanol

定制24种农残混标B-2,50 μg/mL溶于乙酸乙酯(GB/T 23200.113), Custom Pesticide Standard@50 μg/mL in Solvents: Ethyl acetate-100%

18种有机磷混标组分B,100 μg/mL溶于正己烷(HJ 963-2018/HJ1023-2019), Custom Pesticide Standard Mix B @ 100 μg/mL in Hexane

定制氨基甲酸酯农药标准品@10μg/ ml甲醇, Custom Carbamate Pesticide Standard @ 10 μg/ml in Methanol

Custom Chlorinated Standard 100ug/ml Hexane-50% Acetone-50%

GB14848定制F(附录B序号67-82,用于GC-MS), Custom SV Mix 2B @ 1000μg/ml in 50% Hexane 50% Toluene

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