联苯胺,50 μg/ml溶于乙腈, Benzidine

19种农药混标,50 μg/mL 溶于乙腈/ SV混合16A(GB 23200.8-2016), Custom Pesticide/SV Mix 16A

客户定制混标, Custom Phthalate Standard @ 50μg/ml in Hexane

7种邻苯二甲酸酯(适用HJ867), Custom Phthalate Standard @ 2000μg/ml in Hexane

3种氘代PAH混标(氘代芘,氘代菲,氘代屈),100μg/ml溶于正己烷(HJ 753-2015), Custom Dueterated PAH Standard @ 100μg/ml in n-Hexane

1,2-Dibromoethene @ 5000 μg/mL in Methanol

1,2-二溴乙烯,5000 μg/mL溶于甲醇

定制30种农残混标A-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%

GBT5085.3-2007附录I-25种有机磷农药混标B, Custom Pesticides Standard @ 100 μg/mL in Acetone

客户定制5组分酰胺类混标(SN/T 3587-2016), Custom VOC standard @ 1000μg/ml in methanol

定制农药混合2 @100μg/ ml的甲醇溶液, Custom Pesticide Mix 2 @ 100μg/ml in methanol