六价铬

融合菌RHJ-004与活性污泥对六价铬的联合吸附可用Langmuir模型和Freundlich模型描述，但Freundlich模型的拟合效果更好。

Both Langmuir and Freundlich adsorption models were suitable for describing biosorption of Cr6 + by yeast fused strain RHJ-004 and activated sludge and the latter was better .

铬渣中因含有1～2%的具有致癌特性的铬酸钙和0.5～1%水溶性剧毒六价铬而成为有毒的危险废物。

Chromium residues are poisonous wastes , because there is 1-2 % calcium chromate and 0.5-1 % water-soluble Cr6 + .

维生素C对六价铬毒性影响的研究

A Study of Vitamin C on Toxicity of Hexavalent Chromium in Rats

维生素C和维生素E对六价铬致突变性影响的研究

Study of Effects of Vitamin C and E Mutagenicity of Hexavalent Chromium

每毫升含1.00μg六价铬标准溶液的稳定性实验

The Stability Treatment to the Standard Solution Containing 1.00 μ g Cr6 + per Millilitre

六价铬专用防治PC助剂的应用研究

Study on the application of special auxiliary PC for preventing chromium (ⅵ) in the leather

PVC尼龙6树脂-原子吸收法测定空气中的六价铬

Determination of Cr ~ ( + 6 ) in Air with PVC Nylon-6 Resin-Atomic Absorption Spectrometry

添加Cr（VI），将导致土壤中铁还原滞后，添加高浓度六价铬可显著的抑制氧化铁的还原过程。

Adding Cr ( VI ) make Fe ( III ) reduction delay in soil .

HA对铁屑还原去除水中六价铬的影响

Reductive removal of Cr ( VI ) by iron filings in the presence of humic acid

当水体的pH值增大，泥沙吸附可从水体中去除较多的六价铬。

Rising PH value of waters , the quantity of the hexavalent chromium ion removed from waters by sediment absorption increases too .

基于六价铬与碘化钾反应生成了单质碘，碘可以使罗丹明B发生荧光猝灭，从而间接测定六价铬的含量。

The method is based on fluorescence quenching of Rhodamine B by reaction of Cr ( VI ) with potassium iodide giving iodine ( I2 ) .

六价铬对草鱼肝脏SOD和GSH-Px活力的影响

Effects of hexavalent chromium on SOD and GSH-Px activities in liver of Ctenopharyngodon idellus

目的研究六价铬〔Cr（Ⅵ）〕对细胞增殖周期和细胞内蛋白质及DNA含量的影响。

Objective To study the effects of six valent chromium [ Cr (ⅵ) ] on cell proliferation cycle and cellular contents of protein and DNA .

调查分析了我国部分地区水泥、水泥熟料和粉煤灰，发现这些材料中均含有一定数量的可溶性六价铬离子Cr（Ⅵ）。

Cement clinkers and fly ashes produced in different areas of China were examined and leachable hexavalent chromium Cr (ⅵ) was found in all samples .

六价铬（Cr（Ⅵ））是常见的重金属污染物之一，具有强的致癌性和致畸性，且在自然环境中可以稳定存在。

Hexavalent chromium ( Cr (ⅵ)), which has intensive carcinogenicity and teratogenicity , is a kind of common heavy metal pollutants with high stability in natural environment .

罗丹明6G共振散射光谱法测定水中痕量六价铬

Resonance scattering determination of trace Cr (ⅵ) in water with Rhodaine 6G

高铁肌红蛋白还原酶活力与肉色稳定性的研究HA对铁屑还原去除水中六价铬的影响

Relationship between Metmyoglobin Reductase Activity and Meat Color Stability ; Reductive removal of Cr ( VI ) by iron filings in the presence of humic acid

实验结果表明较大的零价铁投加量、较高的反应温度和较低的初始pH值有利于六价铬的去除反应。

Our experiments indicate that the larger Fe adding dose , the higher reaction temperature with the lower initial pH value has positive effect on the Cr ( VI ) wiping off reaction .

基于WEEE指令超痕量六价铬富集、分离及污染控制

Enrichment , Separation , and Pollution Control of Ultra-trace Hexavalent Chromium for WEEE Directive

目的在体外试验系统，探讨维生素C不同加入顺序对六价铬（Cr（Ⅵ））诱导大鼠外周血淋巴细胞DNA蛋白质交联（DPCs）的影响。

Objective To explore the time-order effects of Vitamin C on hexavalent chromium ( Cr (ⅵ)) - induced DNA-protein crosslinks in rat peripheral blood lymphocytes ( PBLs ) in vitro .

对重金属六价铬的去除率可以达到66.9%，比较PAC和PFC六价铬的去除率22.1%和37.8%，提高了很多。

Remove rate of Cr ( VI ) may get to 66.9 % , more 22.1 % and 37.8 % than its of PAC and PFC.

Keggin离子改性凹凸棒石对废水中六价铬的吸附研究

Study on Absorption of Cr ( VI ) in Wastewater by Keggin ion Modified Attapulgite Clay

浸泡时间、铬渣粒度、铬渣质量、淋滤用水量和pH值均会影响淋滤液中六价铬浓度和淋出率。

The influence of soaking time , granularity of slag , quantity of slag , volume of water equipment on the concentration and quantity of Cr ( VI ) in the leachate are studied respectively in the experiments .

电感耦合等离子体质谱法（ICP-MS）测定饮用水中六价铬阳离子聚合物改性膨润土对六价铬的吸附特性研究

Determination of Cr (ⅵ) in drinking water by inductively coupled plasma-mass spectrometry Adsorption of Chromium ( VI ) from Aqueous Solution on Bentonite Modified by Cationic Polymers

DX一15A活性炭是一种极其优良的脱除稀溶液六价铬用的活性炭，少量高铁化合物浸渍在炭表面上后，会使炭内部形成合适的孔隙结构。

A small amount of ferric compound impregnated on the carbon surface prior to activation promoted the formation of suitable pore structure within the carbon .

皮革中六价铬含量的IUC-18测定法

The study of determination Cr ( VI ) in leather samples by IUC-18 procedure

六价铬[Cr（VI）]是电镀行业产生的典型污染物，毒性大、致癌致畸变作用强，属于国家重点控制的五大重金属污染物之一。

Hexavalent chromium [ Cr (ⅵ) ] is a typical pollutant from the electroplating industry . Due to its toxicity , carcinogenicity and mutagenicity , Cr (ⅵ) was identified as one of the five priority-control heavy metal pollutants in our country .

针对铝离子和铬化合物共存的电镀废水，采用4-甲基-2-戊酮作为萃取剂分离六价铬，EDTA络合滴定法测定铝含量，分析结果令人满意。

Used 4-methyl-2-pentanone as extractant , heavy chromic acid group was extracted in the electroplating wastewater in which aluminum ion and chromium compond coexist . And then aluminum ion was analyzed with EDTA complexometry . The analysis result was satisfying .

论文以驯化大肠杆菌、枯草杆菌等四种常见菌、筛选菌C-11为对象，分别对镉离子、六价铬离子、直接蓝GL进行吸附脱色研究。

C-11 were discussed in this paper , the bacteria was used for the adsorption of Cd ( II ), Cr ( VI ) and Direct Blue GL .

主要研究成果如下：（1）本文通过静态吸附实验考察了粉煤灰、鹅卵石和砂土三种基质对制革废水中COD、氨氮、氯化物、六价铬和总铬的吸附性能。

The main conclusions of this dissertation were as follows : ( 1 ) Contaminant adsorption characteristics of fly ash , cobble and sand were studied through isotherm batch-experiments to the COD 、 NH4 + - N 、 Chloride 、 Cr6 + and total chromium in tanning wastewater .