delta-HCH, certified, 50mg

n-Alkanes C10-C40 (even and uneven) 31 Analytes, each 100µg/mL in cyclohexane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the n-paraffins C10-C40.

ASTM Benzene Amp#4

EPA Method 507Mix #8, 100µg/ml in Aetone, 1ml