定制3种有机锡内标混标,1000 μg/mL溶于甲醇(以有机锡阳离子计)(GB 20385.1-2021), Custom Organotin Standard @ Varied Conc. In Methanol

定制29种VOC混标2000 μg/mL溶于甲醇(天津地标 DB 12/524-2020), Custom VOC Standard @ 2000 μg/mL in PT Methanol

24种卤代烃混标,适用于DZ/T 0064.91-2021地下水分析方�? Custom VOC Standard @ 1000 μg/mL in PT Methanol-100%

7种邻苯二甲酸酯混�?1000 μg/mL 溶于甲醇, Custom Phthalate Standard in Methanol

Custom Nitrosamine Standard @ 100 μg/mL in Methanol

Flumiclorac-pentyl,1000 μg/mL in Acetonitrile

定制混标, Custom Pesticide Standard,100 μg/mL,Acetonitrile-100%

Perfluoropentanesulfonic acid,100 μg/mL in Methanol

甲醇�?种工业清洗剂混标(符合HJ 1196-2021), Custom VOC Standard @ 100 μg/mL in PT Methanol

17种VOC混标,2000 μg/mL溶于甲醇(GB 18581-2020、GB 18582-2020、GB 24409-2020、GB 30981-2020), Custom VOC Standard@2000 μg/mL in PT Methanol