Tuning Solution Low Concentration

2,2',3,4,4',5,5'-Heptachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2,4-Diaminotoluene

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