Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Separation by column chromatography and determination of the different phosphate forms.
NORMA vydaná dňa 28.2.1983
Označenie normy: BS 4427-11:1983
Dátum vydania normy: 28.2.1983
Počet strán: 14
Približná hmotnosť: 42 g (0.09 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS
Determination of ortho-, pyro- and tripolyphosphates, and higher condensed phosphate forms, in the absence of $7Itetra$7R- and $7Ipenta$7R-metaphosphates. Status: Confirmed