PRODUCT SPECIFICATIONS |
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Sodium Metabisulphite (Food Quality)-E223 |
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ANALYTICAL METHOD (Food Quality)-E223 |
Appearance |
White or pale yellow clear, crystalline with and odorof sulfur dioxide
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Visual |
Concentration (Na2S2O5) |
min. % 98 (m/m) |
Titrimetric |
SO2 content |
min. % 66,02 (m/m) |
(With Calculation) |
Na2SO3 content |
max. % 1,5 (m/m) |
Titrimetric |
Na2S2O3 content |
max. % 0,02 (m/m) |
Turbidimetric |
Na2SO4 content |
max. % 2 (m/m) |
Turbidimetric |
Iron (Fe) content |
max. 5 ppm |
Colorimetric |
Heavy Metals |
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(Fe excluded, Pb content)
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max. 10 ppm |
Kolorimetric |
Chloride (Cl) content |
max. % 0.02 (m/m) |
Titrimetric |
Arsenic (As) content |
max. 0.5 ppm |
AAS |
Lead (Pb) content |
max. 0.5 ppm |
AAS |
Cadmium (Cd) content |
max. 50 ppb |
AAS |
Selenium (Se) content |
max. 0.5 ppm |
AAS |
Insolubility |
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Gravimetric |
pH (10% solution)
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4-5,5 |
pHmeter |
Mercury (Hg) content |
max. 0.1 ppm |
AAS |
PRODUCTION METHOD |
Continue |
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RAW MATERIAL CONTENT |
Sulfur, Sodium Carbonate, Sodium Hydroxide |
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PACKAGING |
Delivered in 25 kg polyethylene bags, resistant to moisture and physical damage or in 900 – 1000 kg polypropylenebig-bags with polyethylene liners. |