Alachlor OA, 10mg

1,3,6,8-Tetrabromo-9H-carbazole, 1.2ml x 50ug/ml, nonane

FR1392 ASTM D6584 IndivStandard K1,00SK

Custom mix of thiophenes,two components in toluene: 0938.8 Benzothiophene 0.2mg/mL 0884.12 Dibenzothiophene 0.4mg/mL