4种氨基甲酸酯类同位素混标,25/100 mg/L于甲醇(HJ 827-2017), Custom Isotope Labeled Mix @Varied Conc. in Methanol

2种氘代亚硝胺混标(EN 71-12:2013 亚硝胺与亚硝胺化合物), Custom Deuterated Amine Standard @ 100 μg/mL in PT Methanol

定制25种农残混标B-3,50 μg/mL溶于乙酸乙酯(GB/T 23200.113), Custom Pesticide Standard@50 μg/mL in Ethyl acetate-100%

15种氨基甲酸酯混标,100 μg/mL溶于甲醇(HJ 961-2018), Custom Pesticide Standard @ 100 μg/mL in Methanol

定制4种酮类混标(2-丁酮/丙酮/环己酮/4-甲基-2-戊酮)(广东地标), Custom Ketone Standard Custom @ 10 mg/mL in PT Methanol

定制农药混合3 @100μg/ ml的甲醇溶液, Custom Pesticide Mix 3 @ 100μg/ml in methanol

定制VOC标准品@5000μg/ ml乙腈, CUSTOM VOC STANDARD @ 5000μg/ml in acetonitrile

17种有机氯农残混标D(表二其他项目), 1000μg/mL溶于正己烷：甲苯=50：50(GB 36600-2018), Custom Pesticide Standard @ 1000μg/ml in Hexane:Toluene=50:50

多氯联苯混标, Custom PCB Standard @100μg/ml in Isooctane

饮用水中重金属检测标准品, Primary Drinking Water Metals Standard,Varied conc. in 2-5% Nitric Acid