*Direct Black 38, 100 µg/mL in Methanol, CAS # 1937-37-7, 1 mL 7011-TPH EPH This set of Chemical Reference

This set of Chemical Reference Standards is composed of 209 components

Each bottle is supplied with stock solutions of each of the four missing amino acids

It is supplied as a set of 2 x 100 mL and should be stored at an ambient temperature of greater than 5 °C

This Certified Reference Material at a concentration of 1000 µg/mL in 2-5% Nitric acid is composed of a single analyte

*Direct Black 38, 100 µg/mL in Methanol, CAS # 1937-37-7, 1 mL 7011-TPH EPH This set of Chemical ReferenceThis Reference Material at a concentration of 100 g mL in Methanol is composed of a single analyte. It is supplied in a unit of 1 mL and should be stored at an ambient temperature of greater than 5 C.