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Veevaba naatriumsulfiidi keemiline kasutusala
2021-08-20Sodium sulfite anhydroushas a wide range of uses, of which the following are a few brief examples.Bleaching agent for paper pulps.Waste water treatment.Bleaching agent for mining industry.Auxiliary chemical in tanning process.For the trace analytic...
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Kasulik reagent tööstusele ja elule
2021-08-20Rongaliteis sodium formaldehyde sulfoxylate, which is represented by the chemical formula Na+HOCH2SO2–.2H2O. The salt has many names, such as rongalit, sodium bisulfoxylate formaldehyde, formalhyde sodium bisulfite adduct, formaldehyde sodium s...
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Kas veevaba naatriumsulfaat on sama mis veevaba naatriumsulfit?
2021-08-25Veevaba naatriumsulfaat, valged ühtlased peened graanulid või pulber.
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Odourless, salty and bitter.Density 2.68g/cm. Melting point 884℃.
Soluble in water, solubility increases rapidly with the increase of temperature within 0-30.4℃. Soluble in glyc... -
Kuidas naatriumsulfaat ja veevaba naatriumsulfit omavahel reageerivad?
2022-08-25Sodium sulphateis a white, odourless, bitter-tasting crystal or powder, which is easily absorbed in the air and becomes aqueous sodium sulphate.
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Sodium sulphateis extremely versatile and can be used in the production of water glass, g... -
Vaba formaldehüüdivaba ja säilitamiskindla naatriumbisulfitformaldehüüdi valmistusmeetod
2021-08-30The article discloses a preparation method of free formaldehyde-free and storage-stablerongalite, which comprises the steps of sequentially adding sodium metabisulfite, zinc powder, a catalyst and formaldehyde into a reaction system to obtain a...
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Meetod märgsegatud mörtide plastifikaatori valmistamiseks.
2021-09-22Sissejuhatus Rongaliti
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RONGALITE CChemical Name:Sodium Formaldehyde Sulfoxylate
Keemiline valem: NaHSO2.CH2O.2H2O
C
Molekulmass: 154.12
Eritihedus: 1.8
Päritolukoht: Hiina (Mandri-Hiina)
This ar... -
Indoneesia ja Hiina käivitavad kohalikus valuutas arveldusmehhanismi
2021-09-22Recently, Bank Indonesia announced that under the Memorandum of Understanding signed between the Bank and the People’s Bank of China on 30 September 2020, the two sides have officially launched the Indonesia-China local currency settlement mech...
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Naatriumsulfiidi hinnapakkumine, 52% 60% sisaldus
2021-10-09Price quotes: market surgesRaw material end: coal prices continue to rise
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Supply side: environmental protection in Sichuan, some factories shut down, large capacity has maintenance plans, lack of supply, rising costs, and factories continue t... -
Uued väliskaubanduse eeskirjad jõustuvad oktoobris
2021-10-09New freight rate increases for shipping companies take effect.New import regulations for ACID in Egypt come into force.
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An important new regulation for imports into Egypt, the “Advanced Cargo Information (ACI) declaration”, came into force on...
