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- elines-collections/metal-objects.html#a1c4 Gilberg, M.; Seeley, N. The Alkaline Sodium Sulphite Reduction Process for Archaeological Iron: A Closer Look…14 kB (1651 palabras) - 08:00 4 abr 2024
Resultados de la Wikipedia en inglés.
- "Studies On Alkaline Earth Sulfites. Structure and Stability of the New Compound Ca3(SO3)2SO4.12H2O and Its Solid Solution In Calcium Sulfite Tetrahydrate"…8 kB (740 palabras) - 21:33 12 mar 2024
- The sulfite process produces wood pulp that is almost pure cellulose fibers by treating wood chips with solutions of sulfite and bisulfite ions. These…13 kB (1535 palabras) - 00:20 25 ene 2023
- digester additive in production of paper pulp by alkaline processes, like the kraft, the alkaline sulfite or the Soda-AQ processes. The anthraquinone is…10 kB (874 palabras) - 20:51 29 may 2024
- the flue gases are alkaline. The reaction taking place in wet scrubbing using a CaCO3 (limestone) slurry produces calcium sulfite (CaSO3) and may be expressed…29 kB (3696 palabras) - 03:24 13 mar 2024
- lanthanum sulfites and sulfates". Retrieved 22 June 2020. Cohen, Abraham; Zangen, Mendel (1984-07-05). "STUDIES ON ALKALINE EARTH SULFITES – V. STRUCTURE…17 kB (1520 palabras) - 11:53 22 sep 2022
- hydrates. All forms are white, odourless, water-soluble salts that yield alkaline solutions in water. Historically, it was extracted from the ashes of plants…32 kB (3138 palabras) - 09:59 19 may 2024
- but the sulfite process makes pulp that is easier to bleach. The chemical pulping processes use a combination of high temperature and alkaline (kraft)…15 kB (1934 palabras) - 21:48 29 abr 2024
- 2O2− 4 + H2O → S 2O2− 3 + 2 HSO− 3 It also undergoes alkaline hydrolytic disproportionation to sulfite and sulfide: 3 Na2S2O4 + 6 NaOH → 5 Na2SO3 + Na2S…4 kB (444 palabras) - 00:59 23 dic 2022
- Magnesium (categoría Alkaline earth metals)density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 of the periodic table) it occurs naturally only in…81 kB (8905 palabras) - 12:09 8 jun 2024
- Relaxer (sección Alkaline and lye relaxers)Lastly, in most relaxers sold for home use, the active agents are ammonium sulfite and ammonium bisulfite (the two compounds are interchangeable, depending…11 kB (1545 palabras) - 00:42 11 may 2024
- content up to 96%. Special alkaline purification treatments can yield even higher cellulose levels: up to 96 percent for the sulfite process and up to 98 percent…5 kB (628 palabras) - 14:00 18 may 2024
- forming calcium sulfite. A suspension of lime is then injected into the mixture to produce a slurry, which removes the calcium sulfite and any remaining…17 kB (2133 palabras) - 08:37 30 abr 2024
- as Phenidone B. Alkaline agent such as sodium carbonate, borax, or sodium hydroxide to create the appropriately high pH. Sodium sulfite to delay oxidation…17 kB (2453 palabras) - 14:58 28 nov 2023
- sulfurous acid is known as the sulfite process, the neutral sulfite semichemical is treated as a third process separate from sulfite, and soda pulping which…17 kB (1378 palabras) - 16:51 7 jun 2024
- often contain traces of sodium sulfite or sodium hydrogen sulfite causing aqueous solution to possesses a mildly alkaline pH of about 10. The main use of…6 kB (615 palabras) - 13:38 17 oct 2023
- pyrogallol, sulfite and citric acid in their publication. In Berkeley's new formula, just before use, ammonia was added to make it more alkaline. In London…4 kB (470 palabras) - 04:02 12 abr 2024
- values of 0 and +2 before getting to well known sulfite at +4 and sulfate at +6. When sulfide in alkaline conditions is oxidised by air in the presence…18 kB (2031 palabras) - 00:37 14 may 2024
- bis(4-hydroxy-N-methylanilinium) sulfate with hydroquinone and sodium sulfite. In graphic art film, also called lithographic film which is a special…24 kB (2894 palabras) - 01:57 18 feb 2024
- solubility. By definition, humic acid is soluble in water at neutral and alkaline pH, but insoluble at acidic pH < 2. Fulvic acid is soluble in water at…33 kB (4243 palabras) - 12:54 6 jun 2024
- the oxidation can produce elemental sulfur, polysulfides, polythionates, sulfite, or sulfate. Metal sulfides react with halogens, forming sulfur and metal…13 kB (1076 palabras) - 03:33 16 may 2024
- supplanted by production from the lignin-containing waste produced by the sulfite pulping process for preparing wood pulp for the paper industry. By 1981…37 kB (3762 palabras) - 01:38 11 may 2024