Pyraclostrobin, 100µg/ml in Acetonitrile, 5ml

2,4-D 13C6, 100µg/ml in Acetone, 1ml

Sterol standard mixture for ISO 18252 For Qualitative analysis, neat in 1mL sealed ampoulle 2900.27 Cholesterol 600µg 3913.28 Campesterol 100µg 3767.29 Stigmasterol 100µg 2732.29 Sitosterol 100µg 1583.30 5?-Cholestane (IS) 600µg Dissolve in 0.25mL n

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane