定制9种挥发性有机物-VOC混标-DB44/814-2010, Custom VOC Standard@2000 μg/mL in PT Methanol-100%

Chromium ICP Standard,1000 μg/mL in 2-5% Nitric Acid

铬ICP标准溶液

正十一烷, Pour Point, Approx. Value -25 ℃

GB 38508-2020定制4种卤代烃混标, Custom VOC Standard @2000 μg/mL in PT Methanol

倾点, 近似值 -50°C, Pour Point, Approx. Value -50 ℃

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