SODIUM HYDROSULPHITE 保险粉 ; 连二亚硫酸
zinc hydrosulphite discharge 亚硫酸氢锌拔染剂
Hydrosulphite wastewater 保险粉废水
bleaching with hydrosulphite 保险粉漂白法
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N → another name (not in technical usage) for dithionite
bisulphite
Reductive bleaching is also carried out, using sodium hydrosulphite.
用连二亚硫酸钠也进行了还原漂白。
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