{ Sodium Metabisulphite

Sodium Metabisulphite

Sodium Metabisulphite

PRODUCT SPECIFICATIONS
Sodium Metabisulphite (Food Quality)-E223ANALYTICAL METHOD (Food Quality)-E223
AppearanceWhite or pale yellow clear, crystalline with and odorof sulfur dioxideVisual
Concentration (Na2S2O5)min. % 98 (m/m)Titrimetric
SO2 contentmin. % 66,02 (m/m)(With Calculation)
Na2SO3 contentmax. % 1,5 (m/m)Titrimetric
Na2S2O3 contentmax. % 0,02 (m/m)Turbidimetric
Na2SO4 contentmax. % 2 (m/m)Turbidimetric
Iron (Fe) contentmax. 5 ppmColorimetric
Heavy Metals
(Fe excluded, Pb content)max. 10 ppmKolorimetric
Chloride (Cl) contentmax. % 0.02 (m/m)Titrimetric
Arsenic (As) contentmax. 0.5 ppmAAS
Lead (Pb) contentmax. 0.5 ppmAAS
Cadmium (Cd) contentmax. 50 ppbAAS
Selenium (Se) contentmax. 0.5 ppmAAS
InsolubilityGravimetric
pH (10% solution)4-5,5pHmeter
Mercury (Hg) contentmax. 0.1 ppmAAS
PRODUCTION METHODContinue
RAW MATERIAL CONTENTSulfur, Sodium Carbonate, Sodium Hydroxide
PACKAGINGDelivered in 25 kg polyethylene bags, resistant to moisture and physical damage or in 900 – 1000 kg polypropylenebig-bags with polyethylene liners.

APPLICATION FIELDS

    • Anthichlore in bleaching in textile industry
    • Antiseptic in production of cellulose esters
    • Main raw material in production of sodium hydrosulfite, aromatic alcohols and aldehydes
    • Preservative and disinfactant in food and baverage industries as a source of sulfur dioxide
    • Antiseptic in fermantation process
    • Color removing in paint and leather industries
    • Disinfectant in cosmetic and canned industry
    • Various applications in paper, fiber, rubber and adhesive industries