Imbentin-N/050 (n= ca 2-8)

2,4-Dichlorobenzoic acid

Chlorophenol Standard, Stock Solution 15 Analytes, each concentration as listed in ethanol; unit: 5x1mL 2066.6 2,3-Dichlorophenol [576-24-9] 400 µg/mL 2064.6 2,4-Dichlorophenol [120-83-2] 400 µg/mL 2065.6 2,5-Dichlorophenol [583-78-8] 400 µg/mL 2069

Standard Solution for TLC, ISO 12228 2 Analytes, each concentration as listed in acetone; unit: 1x1mL 2900.27 Cholesterol 1mg/mL 1583.30 Betulin 5mg/mL Silylating agent 3916.8-1ML N-methyl-N-(trimethylsilyl)-heptafluorobutyramide (M