Sodium lauryl sulphate - EXTRA PURE , LABORATORY CHEMICALS, SPECIFICATION

SPECIFICATION
( Sodium dodecyl sulphate )
( A reagent biochemical reagent often
used as a detergent for electrophoresis )
C₁₂H₂₅OSO₃Na M.W. 288.38
Minimum assay (calculated to dry material)	99.0%
( by liberation of acidity )
Absorbance of 3% aqueous solution	0.1%
1 cm path length 220 - 350 nm
Chloride ( CI )	0.03%
Phosphate ( PO₄ )	0.0001%
Lead ( Pb )	0.0002%