1)  price
价铬
2)  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
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)  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
5)  trivalent chromium
三价铬
1.
Study on Trivalent Chromium Electroplating Process in Chloride System;
氯化物体系三价铬电镀工艺研究
2.
Corrosion resistance comparison of trivalent chromium passivation film on zinc based on different zinc plating processes;
不同镀锌层的三价铬钝化膜耐蚀性能比较
6)  trivalent chrome
三价铬
1.
The effects of the components of trivalent chrome passivation bath on the appearance and corrosion resistance of the passivating film are investigated.
研究了三价铬黑色钝化液组分对钝化层外观和耐蚀性的影响。
2.
The bath compositions of trivalent chrome black passivation for zinc plating coating were optimized by orthogonal test method and the effects of operation conditions on the appearance and the corrosion resistance of the passivation film were investigated.
采用正交试验法对镀锌层三价铬黑色钝化工艺组分进行优化,研究了工艺参数对钝化膜外观和耐蚀性的影响。
3.
The bath compositions of trivalent chrome black passivation for zinc-iron alloy coating were optimized by orthogonal test method.
采用正交试验法对锌-铁合金镀层三价铬黑色钝化工艺进行优化,并研究了工艺参数对钝化膜外观和耐蚀性等影响。
参考词条
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。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。