BS 4130:1984

This standard BS 4130:1984 Specification for sodium hydroxide (technical grades) is classified in these ICS categories:

• 71.060.40 Bases

This British Standard specifies material requirements for technical grades of sodium hydroxide in aqueous solution and solid form for general industrial purposes, including packaging requirements.

It does not apply to sodium hydroxide for medical or pharmaceutical use, which is covered by the British Pharmacopoeia, or sodium hydroxide for photographic use, requirements for which are specified in BS 3308.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

Specifies two types, as aqueous solutions and in solid form. Requirements for sodium hydroxide content, matter insoluble in water, carbonate, chloride, sulphate, iron, copper and silica contents.