3,3',5,5'-四甲基联苯胺, 3,3',5,5'-Tetramethylbenzidine,1000 μg/mL in Ethyl acetate

3-Chloro-o-toluidine,10 μg/mL in Ethyl acetate

3-氯-2-甲基苯胺

残差复合材料混合, Residuals Composite Mix,50.0 mg/mL in Dichloromethane

7种多溴联苯混标(1-6溴和10溴)50μg/mL溶于异辛烷(RoHS 2.0), PBB MIX(B-001S、B-009S、B-030S、B-052S、B-103S、B-155S、B-209S)

13种氟代烃混标 1000ug/mL in Methanol, custom HCFC standard methanol methanol

客户定制混标, Custom OP Pesticide Standard 2

醛酮-DNPH定制混标, Custom Carbonyl-DNPH Standard

3种VOC混标(乙腈,丙烯腈,丙烯醛),2000 μg/mL溶于水(HJ 679-2013/HJ 874-2017), Custom VOC Standard @ 2000 μg/mL in Water

客户定制农残检测标准品, Custom Pesticide Standard @ 2000 μg/mL in 80% Acetonitrile 20% Dichloromethane

订制亚硝胺混标, Custom Nitrosamine Standard @Varied conc in Methanol