17种有机锡混标,1000 μg/mL溶于甲醇(GB 20385.1-2021), Custom Organometallic Standard @ 1000 μg/mL in Methanol

定制丙烯醛和丙烯腈混标溶于甲醇(天津地标 DB 12/524-2020), Acrolein &Acrylonitrile @ 2000 μg/mL in 90% Methanol 10% water

标准品, Custom SV Standard @ 1000 μg/mL in Toluene-50% Hexane

7种定制混合类混标1,500 ug/mL溶于二氯甲烷(EPA625), Custom Combined Standard 1 @ 500 μg/mL in Dichloromethane

Custom PAH Standard @ 500 μg/mL in Acetonitrile

Trifenmorph ,100 μg/mL in Acetonitrile

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

Methiocarb,100 μg/mL in Acetonitrile

甲醇中2种制冷剂混标(符合HJ 1194-2021), Custom Refrigerants Standard @ 1000 μg/mL in Methanol

D6379-System Resolution Standard,Varied concentrations in Heptane