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硫酸和硫酸盐是常见的硫元素的化合物,在“SO42﹣”中,硫元素的化合价是( )
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硫的生物转化不包括
含硫有机物的分解
无机硫化物和元素硫的氧化
硫酸盐的还原
硫酸盐的分解
当水样中含较多量的还原剂如亚硫酸盐二价硫离子亚铁离子有机悬浮物氨和类似的化合物时会使测定结果偏低含有
植物吸收利用的是
硫酸盐
硫化氢
元素硫
硫氧化物
硫化物及类似化合物大类矿物进一步划分为
简单硫化物类
对硫化物类
硫盐类
硫酸盐类
硫化物能被空气氧化成无毒或微毒的硫代硫酸盐或硫酸盐
又称矿物质硫它是煤中矿物质内的硫化物硫硫铁矿硫硫酸盐硫和元素硫的总称
有机硫
无机硫
全硫
固定硫
烧结原料中硫的存在形式主要是有机硫和硫化物及硫酸盐
煤中硫含量低于1%时往往以为主
有机硫
无机硫
元素硫
硫酸盐硫
硫是煤中的有害杂质其中的是可燃硫
有机硫、无机硫
有机硫、硫化铁硫
有机硫、硫酸盐硫
硫化铁硫、硫酸盐硫
燃煤中的硫按其形态可划分为
有机硫和无机硫
元素硫和固定硫
有机硫和硫酸盐
当水样中含较多量的还原剂如亚硫酸盐二价硫离子亚铁离子有机悬浮物氨和类似的化合物时会使测定结果含有较多
煤中形态的硫不参加燃烧过程
黄铁矿硫。
有机硫。
硫酸盐硫。
元素硫。
硫代硫酸盐的在硫代硫酸盐镀银电镀液中的作用是
煤中硫化物硫和硫酸盐硫是硫
可燃
无机
不可燃
有机
煤中无机硫包括硫化物硫和硫酸盐硫及微量元素硫
硫酸盐还原菌生长在水环境中的厌氧泥浆中将硫酸盐化合物还原成_____ ____
能把硫硫化物或硫代硫酸盐氧化成硫酸甚至使局部pH值到1.0~1.4从而对管道设备产生腐蚀的是
铁细菌
硫细菌
硫酸盐还原菌
霉菌
煤中硫化铁硫和硫酸盐硫是无机硫
煤中硫化铁硫和硫酸盐硫是可燃硫
煤中的硫通常以四种形态存在单质硫S有机硫与CHO等元素组成的复杂化合物黄铁矿硫FeS2和硫酸盐硫Ca
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