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BS 4427-13:1982

Действует
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use, Condensed phosphates for industrial use (including foodstuffs) - determination of calcium content - flame atomic absorption spectrometric method — 12 стр.
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Ссылочные документы

BS 4427-15:1982
Отменен
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use, Condensed phosphates for industrial use (including foodstuffs) - determination of oxides of nitrogen content - 3,4-xylenol spectrophotometric method — 14 стр.
BS 4427-14:1989
Действует
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use, Condensed phosphates for industrial use (including foodstuffs): determination of chloride content — 8 стр.
BS 4427-12:1979
Отменен
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use, Condensed phosphates for industrial use (including foodstuffs). Determination of arsenic content. Silver diethyldithiocarbamate photometric method — 12 стр.