*EPA Method 521 Internal Standard Stock Solution, 1000 µg/mL in Methylene chloride, CAS # 93951-96-3, 5 x 1 mL 6369-Normal Phase The conformation of C9 changes

The conformation of C9 changes from globular to a tubular form

This Certified Reference Material at a concentration of 50 µg/mL in Methanol:Water (50:50) is composed of a single analyte

The fingertight version may be hand-tightened for operation at up to 420 bar (6

Ambient air actually contains amines and amino acids that will dissolve in the low-pH eluants and will appear in the chromatograms

*EPA Method 521 Internal Standard Stock Solution, 1000 µg/mL in Methylene chloride, CAS # 93951-96-3, 5 x 1 mL 6369-Normal Phase The conformation of C9 changesThis Certified Reference Material at a concentration of 1000 g mL in Methylene chloride is composed of a single analyte. It is supplied in a unit of 5 x 1 mL and should be stored in the freezer at less than 10 C.