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ISO 3706:1976

Действует
Phosphoric acid for industrial use (including foodstuffs); Determination of total phosphorus(V) oxide content; Quinoline phosphomolybdate gravimetric method — 8 стр.
ICS
71.060.30 Acids. Including dioxides, peroxides, etc. / Кислоты
67.220.20 Food. Including salt, vinegar, food preservation additives, etc. / Пищевые добавки. Включая соль, уксус, консерванты и т.д.