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 iron content.
NORMA vydaná dňa 29.9.1989
Označenie normy: BS 4427-3:1989
Dátum vydania normy: 29.9.1989
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS
1,10-phenanthroline spectrometric method, applicable to products with iron contents of not less than 2 mg/kg. Status: Confirmed