The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite.
亚硫酸盐法制浆过程中活性化学物质是二氧化硫、硫酸以及酸性亚硫酸钙。
The chemical base for the bisulfite can be ionic calcium, magnesium, sodium or ammonium, Sulfite pulping can be carried out over a wide range of PH.
亚硫酸氢盐里的钙离子，镁离子，钠离子，铵根离子等化学基可以电离。
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