Item

Index

Best quality

First  quality

Qualified  quality

Sodium nitrate%

99.7

99.3

98.5

Sodium nitrite%

0.01

0.02

0.15

Chloride (NaCl) %

0.25

0.30

___

insolubles in water

0.03

0.06

___

Moisture

1.0

1.5

2.0

Sodium carbonate%

0.05

0.10

___

Fe%

0.005

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