25种挥发性有机物VOC混标,梯度浓度溶于甲醇(GB 3838-2002 ), Custom Mixed VOC Standard@ Varied conc. In Methanol

25种芳香胺(偶氮)标准品,100ppm 溶于乙腈：甲醇=80:20(GBT 17592-2011), Custom Aryl Amine Standard @100 ug/mL in 80% Acetonitrile 20% Methanol

15种硝基苯混标,100ug/mL溶于正己烷:甲苯=50:50(HJ 648-2013/HJ 716-2014), Custom Nitrated Standard @ 100 ?g/mL in Hexane:Toluene (50:50)

3种VOC混标(乙醛、丙烯醛、丙烯腈),1000 μg/mL溶于水(S-22134-10X), Custom VOC Additions Standard

9组分多溴联苯混标(3,15,29,49,77,103,153,169,209),50 μg/mL in Isooctane(期货5支起订), Custom PBB Standard

客户定制酚类混标, Custom Phenolics Standard Varied conc. Acetonitrile

自定义酮标准1.0毫克/毫升乙腈, Custom Ketones Standard 1.0 mg/mL Acetonitrile

35种挥发性有机物VOC混标,1000μg/mL溶于甲醇(HJ 644-2013), Custom VOC Standard 1000 μg/mL Methanol

12种酚类混标,1000μg/ml溶于甲醇(HJ 638-2012), Custom Phenol Standard @1000 μg/ml in Methanol

定制农药标准-27306-06, Custom Pesticide Standard-S-27306-06