Description
- Sodium Bisuphite
- Sodium Metabisulphite
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Sodium Bisulphite
| PRODUCT SPECIFICATIONS | ||
| ANALYTICAL METHOD | ||
| Appearance | Light yellow liquid | Visual |
| Concentration | % 38 ± 2 (m/m) NaHSO3 | Titrimetric |
| SO2 content | min. 22% (m/m) | |
| Density (25 ºC,g/ml) | 1.30-1.37 | Densimeter |
| Iron content | max. 10 ppm | Colorimetric |
| Heavy metals | max. 5 ppm (excluding Fe, As, Pb) | Colorimetric |
APPLICATION FIELDS
- Antichlore in bleaching fibers and mordant in textile
- Antiseptic in production of cellulose esters
- Main raw material in production of sodium hydrosulfite
- Aromatic alcohols and aldehyde
- Antiseptic in fermentation process
- Depilator in leather industries
- Disinfectant in cosmetic and canned industry
- Various applications in paper, rubber, sugar, galvanoplasty and adhesive industries
Sodium Metabisulphite
| PRODUCT SPECIFICATIONS: | ||
| SODIUM METABISULFITE | ANALYTICAL METHOD | |
| White or pale yellow clear, crystalline with and odour of sulfur dioxide | Visual | |
| Concentration (Na2S2O5) | min. % 98 (m/m) | Titrimetric |
| SO2 content | min. % 66,02 (m/m) | Titrimetric |
| Na2SO3 content | max. % 1,5 (m/m) | Titrimetrik |
| Na2S2O3 content | max. % 0,02 (m/m) | Turbidimetric |
| Na2SO4 content | max. % 2 (m/m) | Turbidimetric |
| Iron (Fe) content | max. 5 ppm | Kolorimetric |
| Heavy Metals | ||
| (Fe excluded, Pb content) | 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 | Gravimetric | |
| pH (10% solution) | 4-5,5 | pHmeter |
| Mercury (Hg) content | max. 0.1 ppm | AAS |
| PRODUCTION METHOD | Continue | |
| RAW MATERIAL CONTENT | Sulfur, Sodium Carbonate, Sodium Hydroxide | |
| PACKAGING | Delivered 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
