溴酸钾
- 名potassium bromate
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平均回收率为:99.6%,RSD为0.4%。本法与溴酸钾法比较,结果无显著性差异(P>0.05)。
The recovery of compound isoniazid tablet was 99.6 % and RSD was 0.4 % , with no remarkble difference compared with potassium bromate method .
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研究了在磷酸介质中,亚硝酸根对溴酸钾氧化1-(2-吡啶偶氮)-2-萘酚(PAN)的催化作用的反应条件,建立了测定亚硝酸根的动力学光度法。
Based on the catalytic effect of trace amounts of nitrite on the oxidation de-coloration reaction between potassium bromate and PAN in dilute phosphoric acid medium , a new method for the determination of trace amounts of nitrite was established .
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钼(Ⅵ)-溴酸钾-萘酚绿B体系动力学光度法测定痕量钼
Kinetic-Spectrophotometric Determination of Trace Molybdenum with the Naphthol Green B-Mo (ⅵ) - KBrO_3 System
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溴酸钾氧化萘酚绿B催化光度法测定亚硝酸根研究
Catalytic Absorption Spectrum Determination of NO_2 ~ - Based on the Oxidation of Naphthol Green B by Potassium Bromate
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亚硝酸根的一个高选择性指示反应的研究&溴酸钾-依来铬青R体系
The Study of A High Selectivity Indicator Reaction of Nitrite & The System of Potassium Bromate-Eriochrome Cyanine R
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以酸性介质中痕量钒催化溴酸钾氧化甲亚胺H显色反应为对象,利用光度法研究了反应的动力学参数。
The kinetic parameters of vanadium catalytic oxidation of azomethine H by bromate have been determined by using spectrophotometric method .
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Pt(Ⅳ)-三氯偶氮胂-溴酸钾催化分光光度法测定微量铂的研究
Catalytic Spectrophotometric Determination of Platinum (ⅳ) in Platinum (ⅳ) Platinum (ⅳ) Potassium Bromate Trichloro Arsenazo System
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结果表明,该反应对甲亚胺H和钒分别为一级反应,对溴酸钾为15级反应。
The results show that the reaction orders are one for azomethine H and vanadium , respectively , and 1 5 for bromate .
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它基于在稀磷酸溶液中,依来铬青R与溴酸钾的反应受亚硝酸根催化而使吸光度降低。
It is based on the decrease in absorbance of the reaction eriochrome cyanine R with potassium bromate in dilute H3PO4 which is catalyzed by nitrite .
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本文研究了在pH3的弱酸性介质中,微量Cr()催化溴酸钾氧化靛蓝胭脂红褪色反应及动力学条件,建立了一种新的测定微量Cr()的动力学方法。
A new catalytic kinetic spectrophotometric method and its reaction mechanism have been studied for the determination of micro chromium (ⅵ) .
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本文基于磷酸介质中亚硝酸根催化溴酸钾氧化萘酚绿B的褪色反应,建立了测定亚硝酸根的新方法。
A catalytic absorption spectrum method is proposed for determining nitrous . The method is based on the catalytic effect of nitrite ion on the oxidation reaction of naphthol green B in a dilute medium .
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苯酚-溴酸钾-罗丹明6G体系催化光度法测定废水中痕量苯酚
Catalytic spectrophotometric determination of trace phenol in waste water with phenol-potassium bromate-rhodamine 6G system
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基于在硫酸介质中痕量酚对溴酸钾氧化罗丹明B反应的催化作用,建立了测定痕量酚的快速、简便的流动注射停流催化光度分析的新方法。
A rapid and simple flow-injection-catalytic spectrophotometric method using stopped-flow technique for determination of trace phenols is described . This methods is based on the catalytic effect of phenols on the reaction of rhodamine B and potassium bromate in sulfuric acid medium .
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本文是有关根瘤菌酯酶、超氧物歧化酶(SOD)及葡萄糖6磷酸脱氢酶(66PD)等同工酶的聚丙烯酰胺凝肢电泳及特异性显色判断方法报道。葡萄糖氧化酶&颇具前途的溴酸钾替代品
This paper studies polyacrylamide gel electrophoresis of rhizobial esterase , superoxide dismutase ( SOD ) and glucose ─ 6 ─ phosphate dehydrogenase ( G6PD ) . Glucose Oxidase ─ ─ A Promising Replacer of Bromate
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研究了在酸性介质中柠檬酸存在下,痕量钒(V)催化溴酸钾氧化藏红T的褪色反应及其动力学条件,建立了催化荧光测定痕量钒的新方法。
A new catalytic fluorimetric mehtod and the kinetic condition have been studied for the determination of trace vanadium based on oxidative discoloration of safranin T with potassium bromate in an acid medium and in the presence of citric acid .
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基于在pH为2.7的一氯乙酸缓冲溶液中亚硝酸根对溴酸钾氧化亮绿具有催化作用,建立了测定环境水样中痕量亚硝酸根的流动注射催化光度法。
Based on the catalysis of nitrite on oxidation of brilliant green by potassium bromate in a buffer solution of chloroacetic acid with pH 2.7 , a new flow-injection catalytic spectrophotometric method was founded for the determination of trace nitrite in environmental water sample .
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研究了稀盐酸介质中钒(V)催化溴酸钾氧化1-氨基-8-萘酚-3,6-二磺酸一钠盐形成红色产物的指示反应,建立了催化光度法测定痕量钒(V)的新方法。
In dilute hydrochloric acid medium , the indicative reaction of sodium hydrogen 1-amino-8-naphthol-3,6-disulfonate oxidized with kalium bromate and catalyzed with vanadium would produce a sort of red result , which established a new way to determine trace vanadium by catalytic luminosity .
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基于V(v)在KHP&HCl缓冲溶液中,邻苯二酚活化剂存在下,对溴酸钾氧化邻苯二胺的催化作用,建立了一个测定环境样品中痕量机的催化动力学光度法。
A kinetic spectrophotometry for determining trace vanadium in environment has been established , which is based on the catalytic effect of vanadium on the oxidation of o ─ phenlonediamine with potassium bromate in the presence of activator pyrocatechol in KHP ─ HCl buffer solution .
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溴酸钾氧化考马斯亮蓝G250反应的催化动力学光度法测定痕量钒和亚硝酸根亮甲酚蓝染色对牛卵母细胞体外成熟的影响
Catalytic kinetic spectrophotometry for determination of trace vanadium and nitrite based on the oxidation reaction of coomassie brilliant blue G250 and potassium bromate
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溴酸钾(Potassiumbromate)作为面粉强筋剂曾在面粉加工业中广泛使用,它起到两种作用,一是起增白作用,二是起到面团发酵的作用,它可以使面包更松更漂亮。
Potassium bromate , as an additive of flour , was widely used in flour production . It has two functions , one for white-rich , the other for paste ferment , which can make the bread softer and more beautiful .
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本实验利用溴酸钾与溴化钾的氧化还原反应和还原型Vc的溴氧化脱氢反应间的速度差异,使动力学分析法与示波电位新技术相结合,提出了测定痕量Vc的新方法。
A simple , intuitive , fast and sensitive oscillographic potentiometric kinetic method for the determination of ascorbic acid ( Vitamin C ), based on the rate difference between the redox reaction of bromate with bromide and the dehydrobromination reaction of ascorbic acid with bromine , is described .
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在醋酸介质中,痕量苯胺对溴酸钾和过氧化氢氧化罗丹明6G使其荧光猝灭的反应有抑制作用,据此建立了阻抑动力学荧光法灵敏测定痕量苯胺的新方法。
A novel kinetic fluorimetric method is reported for the determination of trace aniline . The method is based on the inhibitory effect of aniline on the oxidation of rhodamine 6G by potassium bromate and hydrogen peroxide in acetic acid medium .
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世界上的许多国家都已经禁止了溴酸钾的使用,但是在中国溴酸钾仍被列为面粉处理剂,允许以0.03g/kg的用量于小麦面粉中使用。
Most countries in the world have banned its use , but in China potassium bromate is within the category of flour treatment agent that is per - mitted with a limitation of 0 . 03g / kg in wheat flour .
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面粉业直面溴酸钾终结
The Flour Industry , Face the Bromic Acid Potassium Ending Straightly
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钒催化溴酸钾氧化甲亚胺-H反应的动力学研究
Kinetic study on the vanadium catalytic oxidation of azomethine-H by bromate
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溴酸钾氧化茜素红催化比色测定肉制品亚硝酸盐含量
Detect of Content of Nitrite in Meat Product with Catalytic Colorimetry
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但在中国仍然使用溴酸钾作为面粉处理剂。
But it is still allowed to use in China .
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钒的催化动力学分析法&Ⅴ.依文思蓝-抗坏血酸-溴酸钾体系
Catalytic-Kinetic Determination of Vanadium ⅴ . System of Evans Blue-Ascorbic Acid-Potassium Bromate
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溴酸钾滴定法测定矿物中的砷
Kalium Bromate Titration Method for Determination of Arsenic in Ore
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建立了反相离子对液相色谱法分离和测定小麦粉中的溴酸钾的方法。
A method of potassium determination bromate in wheat flour is described .