sodium metasilicate pentahydrate comply to HG/T2568-94
sodium metasilicate pentahydrate
GRANULAR
NATIONAL QUALITY INDEX /ESTING RESULT
|
(Na2O)% Sodium oxide(Na2O)% 28.00—30.00 /29.10
(SiO2)% Silica(SiO2)% 27.00—29.00 /28.87
Water insoluble% ≤0.2 /0.055
(Fe)% Iron(Fe)% ≤0.03 /0.005
Whiteness ≥75 /86
Particular Size(16—30mesh)% ≥90 /98
|
PH(1%SOLUTION) 12.5±1.0% /12.6
POWDER
NATIONAL QUALITY INDEX /TESTING RESULT
|
(Na2O)% Sodium oxide(Na2O)% 28.50—30.00 /29.06
(SiO2)% Silica(SiO2)% 27.30—29.20 /28.75
Water insoluble% ≤0.2 /0.08
(Fe)% Iron(Fe)% ≤0.03 /0.005
Whiteness ≥75 /89
PH(1%SOLUTION) 12.5±1.0% /12.4
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sodium metasilicate pentahydrate
