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Approval Date: 6/4/1999

LIQUID CAUSTIC SODA - E50
E50

ITEM

SPECIFICATION

ANHYDROUS BASIS PERCENT BY WEIGHT
IRON, MAX (FE)

0.00-0.0040

SODIUM CARBONATE, MAX (NA2CO3)

0.00-0.40

SODIUM SULFATE, MAX (NA2SO4)

0.00-0.05

SODIUM CHLORIDE, MAX (NACL)

0.00-2.20

AS IS PERCENT BY WEIGHT
SODIUM OXIDE (NA2O)

38.35-39.63

SODIUM HYDROXIDE (NAOH)

49.50-51.00