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1)  hexavalent chromium
六价铬
1.
Comparison of methods for stripping steel sheet coating and determining hexavalent chromium;
钢板涂镀层的剥离及六价铬的定量方法比较
2.
Alternatives to hexavalent chromium electroplating and their applications;
取代重污染六价铬电镀的技术及应用
3.
Reasons for the production of hexavalent chromium in trivalent passivation coating;
三价铬钝化膜为什么会产生六价铬
2)  Cr(Ⅵ)
六价铬
1.
Direct Determination of Cr(Ⅵ) in Eggs by Graphite Furnace Atomic Absorption Spectrometry Using Volatilization of Cr(TTA)3;
石墨炉原子吸收法直接测定鸡蛋中的六价铬
2.
STUDY ON TREATMENT OF WASTE WATER OF Cr(Ⅵ) BY ACTIVATED CARBON MADE FROM FLY COAL ASH CARBON;
粉煤灰活性炭处理六价铬废水的试验研究
3.
Adsorption of Cr(Ⅵ) in Water with Activated Carbon Made from Fly Ash;
粉煤灰活性炭吸附水中六价铬试验
3)  Cr(VI)
六价铬
1.
Requirements for discharge of cyanide and Cr(VI) in China in accordance with national laws and standards;
我国法律及标准对氰化物和六价铬排放的要求
2.
The Study on Treatment of Waste Water Containing Cr(VI) by Activated Carbon Made from Bamboo;
竹活性炭处理六价铬废水的试验研究
3.
Removal of Cr(VI) in Wastewater by a Modified Fly Ash Adsorbent;
改性粉煤灰除去水中六价铬的研究
4)  Chromium(Ⅵ)
六价铬
1.
Determination of Chromium(Ⅵ) in the Water with Diphenylcarbazide by Speetrophotometry Using Bromocresol Green as the Internal Standard;
溴甲酚绿为内标二苯碳酰二肼光度法测定水体中六价铬的研究
2.
Soil Dehydrogenase Activity Affected by Chromium(Ⅵ);
六价铬对土壤脱氢酶活性的影响
3.
Study on determination of trace chromium(Ⅵ) by extractive spectrophotometry
萃取分光光度法测定痕量六价铬的研究
5)  hexavalent chrome
六价铬
1.
Study on adsorption properties of carbonate hydroxyapatite for hexavalent chrome in wastewater
碳羟基磷灰石除废水中六价铬的吸附性能研究
2.
The determination of hexavalent chrome in water and wastewater by spectrophotometry is improved.
对二苯碳酰二肼分光光度法测定水和废水中六价铬的方法进行了改进,取样量和所加试剂同比缩小10倍,于Hach公司COD消解管中进行显色反应,在其配套的分光光度计上直接比色测定,校准曲线相关性良好,r(0。
3.
The main harmful component in chromium slag is the hexavalent chrome[Cr(VI)].
铬渣中的有害成份主要是六价铬离子,全国各地铬盐厂生产的铬渣危害着人类的生存环境。
6)  Cr~(6+)
六价铬
1.
Isolation of Bacteria Strains with High Resistance to Cr~(6+) andValuable in Cr~(6+) Bioremediation;
六价铬高度耐受和祛除能力菌株的分离
2.
Study on Direct Electro-Reduction of Cr~(6+) in Alkaline Media;
碱性介质中六价铬的直接电化学还原研究
3.
On Titrimetric Method Used to Determine High Concentration Cr~(6+) of Waste Water;
滴定法测定废水中高浓度六价铬的研究
补充资料:六价铬
分子式:
CAS号:

性质:为以铬酸盐(-CrO4)和重铬酸盐(-Cr2O7)形式存在的铬。溶于水,在水体中稳定,在厌氧条件下可还原成三价铬。三价铬和六价铬对人体健康都有害,有致癌作用。但六价铬的毒性更强,大约比三价铬高100倍,更易被人体吸收,并在体内蓄积。工业废水如电镀废液中的铬主要是六价化合物,在排放前需进行处理。方法是在酸性条件下,通过化学还原反应使之变成三价铬,或是用离子交换法将其除去。中国规定生活饮用水和地面水中六价铬的最高容许浓度为0.05mg/L;工业废水中六价铬及其化合物的最高容许排放浓度0.5mg/L。

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