Sodium fluoride for industrial use; Determination of water-insoluble matter
Edition 1973-12

Sodium hydroxide for industrial use; Determination of carbonates content; Titrimetric method
Edition 1975-05

Rubber and rubber latices - Determination of manganese content - Sodium periodate photometric methods
Edition 1998-08

Cryolite, natural and artificial; Determination of sodium content; Flame emission and atomic absorption spectrophotometric methods
Edition 1974-11

Manganese ores and concentrates; Determination of sodium and potassium contents; Flame atomic absorption spectrometric method
Edition 1985-11

Manganese ores and concentrates; Determination of potassium and sodium content; Flame atomic emission spectrometric method
Edition 1981-03

Sodium and potassium silicates for industrial use; Determination of silica content; Gravimetric method by insolubilization
Edition 1976-02

Sodium and potassium silicates for industrial use; Determination of carbonates content; Gas-volumetric method
Edition 1976-07

Sodium and potassium silicates for industrial use; Determination of total alkalinity; Titrimetric method
Edition 1976-04

Sodium fluoride for industrial use; Determination of fluorine content; Modified Willard-Winter method
Edition 1973-12