USP 232低水平校准标准C-汞,10μg/mL 2-5%硝酸中, USP 232 Low Level Calibration Standard C-Mercury,10 μg/mL in 2-5% Nitric Acid

16种醛酮类混标,2000 μg/mL溶于乙腈(HJ 1154-2020), Custom Carbonyl Mix 2 @ 2000 μg/mL in Acetonitrile

2种混标(丙烯醛、丁烯醛),1000 μg/mL溶于乙腈(HJ 1153/HJ 1154), Custom Aldehyde Stock Mix @ 1000 μg/mL in Acetonitrile

方法608种农药,20μg/mL甲醇溶液, Method 608 Pesticides,20 μg/mL in Methanol

碱性/中性萃取混合物2, 0.5 mg/mL 二氯甲烷溶液, Base/Neutral Extractables Mix 2,0.5 mg/mL in Dichloromethane

M-537.1方法标准溶液,18种全氟类化合物混标, EPA 537.1 Method Standard,2 μg/mL in Methanol

Custom Pesticide Standard @Varied Conc. in 90% Hexane 10% Toluene

标准品, 2H,2H,3H,3H-Perfluorodecanoic acid,2 μg/mL in Methanol

标准品, 2H-Perfluoro-2-octenoic acid,2 μg/mL in Methanol

标准品, Perfluoro(2-ethoxyethane)sulphonic acid,100 μg/mL in Methanol