1) meta cresol purple
甲酚红紫
2) bromocresol purple
溴甲酚红紫
3) meta cresol purple
甲酚红紫;间甲苯酚紫
4) m-cresol purple
间甲酚紫
1.
It is based on the strong inhibitory effect of manganese(Ⅱ) on the oxidation fading reaction between H2O2 and m-cresol purple in NH3-NH4Cl buffer solution(pH=10.
5的NH3-NH4Cl缓冲溶液介质中,痕量Mn(Ⅱ)对H2O2氧化间甲酚紫的褪色反应具有强烈阻抑作用,据此建立了阻抑动力学光度法测定痕量Mn(Ⅱ)的新方法,该方法线性范围为1~10μg/25 mL,检出限为4。
2.
This paper suggested a m-cresol purple, which could determine quantitatively the content of total acid in vinegar.
利用间甲酚紫作指示剂定量地测定食醋中总酸的含量。
3.
A new method for the determination of nitrite was established on the basis of the fact that the decoloration of m-Cresol purple, which was resulted by the oxidation by bromate, was catalyzed by nitite in H_2SO_4 medium.
基于硫酸介质中亚硝酸根催化溴酸钾氧化间甲酚紫的褪色反应,建立了测定痕量亚硝酸根的新方法,并探讨了动力学条件,测定了反应的表观速率常数(k′=1。
5) bromocresol purple
溴甲酚紫
1.
Spectrophotometric method for determination of content of cationic surfactants in water with bromocresol purple;
溴甲酚紫光度法测定阳离子表面活性剂的含量
2.
Effect comparision of serum albumin determined with bromocresol purple method and bromocresol green method;
溴甲酚紫与溴甲酚绿法测定血清白蛋白效果比较
3.
The method is based on the cobalt(Ⅱ) catalyzing oxidation of bromocresol purple by hydrogen peroxide in the media of ammonia water using potassium chloride as an activator.
研究了在氨水溶液介质中,以氯化钾溶液为活化剂,痕量钴离子催化过氧化氢氧化溴甲酚紫褪色的指示反应,通过测量590 nm处溶液吸光度的改变,建立了催化动力学光度法测定痕量钴的新方法。
6) bromcresol purple
溴甲酚紫
1.
Evaluation of the clinical applicability of bromcresol purple method for measuring serum albumin;
溴甲酚紫法测定血清白蛋白临床实用性评价
2.
A decatalytic spectrophotometric based on a copper catalyzed redox reaction between potassium peroxydisulfate and bromcresol purple has been developed for the determination of trace copper(Ⅱ) in the percent of sulfuric acid.
在酸性介质中,以K2S2O8为氧化剂,溴甲酚紫为指示物质,Cu(Ⅱ)强烈阻抑K2S2O8氧化溴甲酚紫褪色反应,褪色反应程度在一定范围内随Cu(Ⅱ)浓度增大而降低。
补充资料：溴甲酚红紫
分子式：C21H16BR2O5S
分子量：540.24
CAS号：
熔点：241～242℃
性状：浅黄色结晶。
溶解情况：不溶于水，溶于乙醇呈黄色，溶于稀碱液呈紫色。
用途：指示剂，当pH为5.2时呈黄色，但pH为6.8时呈紫色。
制备或来源：（1）将邻甲酚红溶于冰醋酸中，在40～50℃下，导入溴，使之反应而得；（2）由邻甲酚与邻磺基苯甲酸酐在氯化锌作用、在110～120℃下缩合，制成邻甲酚红，再与溴反应而得。
分子量：540.24
CAS号：
熔点：241～242℃
性状：浅黄色结晶。
溶解情况：不溶于水，溶于乙醇呈黄色，溶于稀碱液呈紫色。
用途：指示剂，当pH为5.2时呈黄色，但pH为6.8时呈紫色。
制备或来源：（1）将邻甲酚红溶于冰醋酸中，在40～50℃下，导入溴，使之反应而得；（2）由邻甲酚与邻磺基苯甲酸酐在氯化锌作用、在110～120℃下缩合，制成邻甲酚红，再与溴反应而得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条