最近30从www.hoelymoley.com 2023 - 08年- 08 - t04:16:02z //www.hoelymoley.com/feeds/question/22932 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/22932 4 大卫Sterlinsky //www.hoelymoley.com/users/24578 2021 - 10 - 03 - t14:48:06z 2021 - 10 - 04 - t08:49:13z

< p >我读过水绿矾(FeSO <子> < /订阅> 4 * 7 h <子> 2 < /订阅> O)是无色或白色,绿色,蓝色,增加铜<一口> 2 + < /一口>杂质。但是从我的化学经验我知道硫酸铁溶液中,当水分时是绿色的。为什么矿物是白色的?< / p >有什么不同吗?

//www.hoelymoley.com/questions/22932/-/22938 # 22938 3 弗雷德 //www.hoelymoley.com/users/2470 2021 - 10 - 04 - t03:52:35z 2021 - 10 - 04 - t03:52:35z

< p >你可能得到< a href = " https://en.wikipedia.org/wiki/Sulfite " rel = " nofollow noreferrer " >亚硫酸盐< / >(<子> 3 < /订阅> <一口> 2−< /一口>)和< a href = " https://en.wikipedia.org/wiki/Sulfate " rel = " nofollow noreferrer " >硫酸< / >(<子> 4 < /订阅> <一口> 2−< /一口>)搞混了。< / p > < p > < a href = " https://en.wikipedia.org/wiki/Iron (II) _sulfate”rel = " nofollow noreferrer " >硫酸铁(II) < / >是FeSO <子> < /订阅> 4·xH 2 <子> < /订阅> O。你们国家,< a href = " https://en.wikipedia.org/wiki/Melanterite " rel = " nofollow noreferrer " >水绿矾< / >是FeSO <子> < /订阅> 4·7 h <子> 2 < /订阅>啊,这是一种矿物的含水铁硫酸(II),一个铁硫酸铜蓝矾的模拟。< / p > < p >各种来源的颜色列表< a href = " https://www.mindat.org/min - 2633. - html”rel = " nofollow noreferrer " >水绿矾< / >是< / p > < blockquote > < p >无色白色或绿色,还蓝绿色蓝铜含量增加;无色透射光的浅绿色。< / p > < /引用> < p > < a href = " https://i.stack.imgur.com/CWHj7.jpg " rel = " nofollow noreferrer " > < img src = " https://i.stack.imgur.com/CWHj7.jpg " alt = " Melaterite_1 " / > < / > < / p > < p > < a href = " https://mineralexpert.org/article/melanterite-iron-sulfate-mineral-overview " rel = " nofollow noreferrer " >另一个< / >(重点是我的),< / p > < blockquote > < p > <强>新鲜水绿矾永远是绿色的。它往往对蓝绿色色调铜量较高的结构。事实上淡绿色脱水< / >强时几乎白色。< / p > < p >水绿矾是高度不稳定的材料。几乎没有意义,收集它,因为它需要非常特定的湿度和酸度。当远离如地下矿山地表环境,它变得脱水和/或氧化在几小时或几天。< / p > < p >水绿矾很容易脱水。它首先变成了淡绿色的颜色,然后到白色粉状材料时几乎完全干燥。这通常是混合各种减少水化铁硫酸盐如ferrohexahydrite (6 x 2 H <子> < /订阅> O),铁矾(5 x H <子> 2 < /订阅> O), rozenite (4 x H <子> 2 < /订阅> O)和szomolnikite (1 x H <子> 2 < /订阅> O)。< / p > < p >二价铁在水绿矾也很容易氧化,这水绿矾的分解结果。 There are various sulfates with varied amount of water and different ratio of Fe²⁺ and Fe³⁺ in the structure. These are further oxidized to pure Fe³⁺ sulfates and lastly converted to more stable Fe³⁺ minerals like goethite, lepidocrocite, or jarosite – depending on acidity of the environment and presence of water/humidity.

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