INDEX

FACT

INDEX

FACT

INDEX

FACT

INDEX

FACT

NaOH(%)

≥

99.0

99.30

98.0

98.80

96.0

96.50

95.0

95.8

Na2CO3(%)

≤

0.90

0.40

1.0

0.5

1.4

0.50

1.6

0.70

NaCl(%)

≤

0.15

0.03

0.6

0.2

2.8

2.60

3.2

3.1

Fe2O3(%)

≤

0.005

0.002

0.008

0.003

0.01

0.003

0.02

0.003