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Approval Date: 6/4/1999

LIQUID CAUSTIC SODA - MC50
MC50

ITEM

SPECIFICATION

ANHYDROUS BASIS PERCENT BY WEIGHT
ALUMINUM OXIDE, MAX (AL2O3)

0.0005

CALCIUM OXIDE, MAX (CAO)

0.0005

COPPER, MAX (CU)

0.00002

IRON, MAX (FE)

0.0005

MERCURY, MAX (HG)

0.0001

MAGNESIUM OXIDE, MAX (MGO)

0.0003

MANGANESE, MAX (MN)

0.00005

SODIUM CARBONATE, MAX (NA2CO3)

0.10

SODIUM SULFATE, MAX (NA2SO4)

0.003

SODIUM CHLORIDE, MAX (NACL)

0.005

SODIUM CHLORATE, MAX (NACLO3)

0.0005

NICKEL, MAX (NI)

0.00006

SILICON DIOXIDE, MAX (SIO2)

0.003

PERCENT BY WEIGHT
SODIUM OXIDE (NA2O)

38.35-39.55

SODIUM HYDROXIDE (NAOH)

49.50-51.00