This standard refers to the international standard ISO1802:1985 "Natural Concentrated Latex - Determination of Boric Acid Content". This standard applies to the determination of the boric acid content of centrifuged natural latex concentrate.
1987GB 8294-1987 Determination of boric acid content in natural concentrated latex
GB 8294-1987 Determination of boric acid content in natural concentrated latex was changed to GB/T 8294-2008 Natural rubber latex concentrate. Determination of boric acid content.