Reference Material ASTM 5010A, 5ml

D(-​)​-​Isoascorbic Acid (Erythorbic Acid), 10g

4,5,6,7-Tetrabromo-1,1,3-trimethyl-3-(2,3,4,5-tetrabromophenyl)-indane, 1.2ml x 50ug/ml, toluene

Ethanol standard in water,1.1g/L,water, 1.5mL