Normas ISO

Dense shaped refractory products -- Determination of permanent change in dimensions on heating

Potassium hydroxide for industrial use -- Sampling -- Test sample -- Preparation of the main solution for carrying out certain determinations

Sodium chlorate for industrial use -- Determination of chloride content -- Mercurimetric method

Sodium chlorate for industrial use -- Determination of moisture content -- Gravimetric method

Sodium chlorate for industrial use -- Determination of matter insoluble in water

Sodium hydrogen carbonate for industrial use -- Determination of iron content -- 1,10- Phenanthroline photometric method