- 二丁基錫(DBT) Dibutyltin-dichloride*250mg
- 二庚基錫 Di-n-heptyltin dichloride*100mg
- 12種亞硝基胺混標 Nitrosamines-Mix12 10μg/ml in Methanol*1mL
- 12種亞硝基胺混標 Nitrosamines-Mix12 200μg/ml in Methanol*1mL
- 12種亞硝基胺混標 Nitrosamines Mix-12 100μg/ml in Methanol*1mL
- 3種內(nèi)標混標 Mix-3 4000ug/ml in Dichloromethane*1mL
- 6種消毒劑混標 Mix-6 100ug/ml in Methanol/ Water*1mL
- PCB Mix-7 (28/52/101/118/138/153/180)100ug/ml in Isooctane*1mL
- 8種有機錫混標 Mix-8 100ug/mL in Methanol*1ml