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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