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1)  chromium varied acid 2R
铬变酸2R
1.
With Cu agent to separate its disturbing elements, in alcohol medium chromium varied acid 2R and Mg 2+ form into red complex by which the magnesium with content ranging from 0.
采用铜试剂分离其干扰元素后,在乙醇介质中铬变酸2R与Mg2+生成紫红色络合物,借此可在波长560nm处,测定镁含量在0。
2)  chromotrope-2R
铬变酸-2R
1.
The loaded resin containing chelating group was prepared with chromotrope-2R as chelating agent,D296 strongly basic anion exchange resin as carrier and the structure of the CT-2R loaded resin was proved by means of infrared(IR) spectra.
以铬变酸-2R(CT-2R)作为螯合剂,D296强碱性阴离子交换树脂作为载体制备具有螯合基团的负载树脂,并用红外光谱对其CT-2R负载树脂结构进行鉴定,给出了负载树脂的吸附性能及分离富集Au(Ⅲ)和Pd(Ⅱ)的最佳条件。
3)  chromotrope 2R
铬变素2R
4)  chromotropic acid 2R
变色酸2R
1.
The feasibility of using Mg~(2+) and chromotropic acid 2R color developing system for the determination of Mg in WPA are discussed.
探讨利用M g2+与变色酸2R显色体系测定湿法磷酸中镁的可能性。
5)  chromotrope 2R
变色酸2R
1.
Catalytic spectrophotometric determination of trace tinⅣ based on discoloring of chromotrope 2R oxidized by potassium periodate;
高碘酸钾氧化变色酸2R褪色光度法测定痕量锡Ⅳ
2.
Determination of Horseradish Peroxidase Based on Enzymatic Reaction Using Chromotrope 2R as Substrate;
以变色酸2R为底物测定辣根过氧化物酶的研究
3.
Determination of Protein with Chromotrope 2R by Resonance Light-scattering Method;
变色酸2R共振光散射光谱法测定蛋白质
6)  chromazol yellow 2R
铬唑黄 2R
补充资料:铬变酸
分子式:C10H8O8S2
分子量:320.30
CAS号:148-25-4

性质:固体结晶。溶于水。

制备方法:由T酸(1-氨基萘-3,6,8-三磺酸铵盐)转变成钠盐,再经碱熔制得。工业上作染料中间体使用时,一般用其钠盐,外观为浅灰色或灰色膏状物,变色酸含量不低于50%。纯品钠盐含2分子结晶水,CAS号为[5808-22-0],为白色针状或叶状结晶,易溶于水,熔点>300℃。变色酸也可由4-氯-5-羟基-2,7-萘二磺酸为原料制得。

用途:该品是染料酸性媒介深蓝的中间体。这种染料可用于羊毛织物染色,是由4-氯邻氨基苯酚重氮化后与变色酸偶合得到的。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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