Sodium hydroxide liquid Caustic mark RM-A, RM-BGOST R 55064-2012
Specifications
|
Indicator |
RM-A |
RM-B |
|---|---|---|
|
Outward appearance |
Colorless transparent liquid |
|
|
Mass fraction of sodium hydroxide,%, not less |
48 |
46 |
|
Mass fraction of sodium carbonate,%, not more |
0.1 |
0,2 |
|
Mass fraction of sodium chloride,%, not more |
0.024 |
0.040 |
|
Mass fraction of sulphate (SO4),%, not more |
0,012 |
0,012 |
|
Mass fraction of iron in terms of Fe2O3,%, no more than |
0,0015 |
0,0020 |
|
Mass fraction of sodium chlorate,%, not more |
0,002 |
0,004 |
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