Features
1.Kuchena:90%, 93% , 96%
2.CAS HERE.:7757-83-7
3.MF:Na2SO3
4.Kuonekwa: white crystal powder
5.HS CODE: 28321000
6.Mol wt : 126.04
7. Package
Sodium sulfite yakarongedzwa muhuremu hwemambure 25kg plstic yakarukwa bhegi nepurasitiki yemukati bhegi. kana sechikumbiro chevatengi 25tons/20'FCL.
Application:
Bleaching agent yepepa pulp, Kurasa mvura yetsvina, Bleaching agent yeindasitiri yemigodhi, Colors stripper uye deoxidization, Auxiliaryn Chemical in tanning process.
kunyoresa
1. Inoshandiswa mukugadzirwa kwedhayi dzesarufa muindasitiri yedhayi, uye ndiyo yakasvibiswa yebhuruu yesarufa.
2. zvakare inoshandiswa seyamuro yekusvibisa yekunyungudutsa dhayi dzesarufa muindasitiri yekudhinda nekudhaya.
3. yehydrolysis yekubvisa bvudzi rakasvibirira muindasitiri yematehwe, asiwo yekugadzirira sodium polysulfide kukurumidza ganda rakaoma mvura yakapfava kubatsira.
4. Inoshandiswa semugadziri wekubika muindasitiri yemapepa.
5. se rayon denitration uye kuderedzwa kwenitrate zvinyorwa mumhizha yemucheka.
6. Zvakare ndiyo mbishi yesodium thiosulfate,sodium polysulfide,dhayi dzesarufa nezvimwe zvinhu.
Magadzirirwo
chinhu | Specification | ||||
Rudzi rwekutanga | Rudzi rwechipiri | ||||
Premium giredhi | Chikoro chokutanga | Chigadzirwa chakakodzera | Premium giredhi | Chikoro chokutanga | |
Zviri mukati (Na2S)% ≥ | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 |
Na2SO3 % ≤ | 1.0 | - | - | - | - |
Na2S2O3% ≤ | 2.5 | - | - | - | - |
Fe% ≤ | 0.0020 | 0.0030 | 0.0050 | 0.015 | 0.030 |
Mvura isinganyunguriki zvinhu% ≤ | 0.05 | 0.05 | 0.05 | 0.15 | 0.20 |
Na2CO3% ≤ | 2.0 | - | - | 3.5 | - |