1)murexide[英][mju'reksaid][美][mj?'r?ksa?d]紫脲酸铵
1.Determination of Trace EDTA by Kinetic-Spectrophotometry Inhibition in Murexide-KIO_4 System;紫脲酸铵-KIO_4体系阻抑动力学光度法测定痕量EDTA
2.The solution was then titrated with EDTA using murexide as an indicator.选用络合能力很强的w=5％的NaCN溶液络合浸锌液中全部的金属离子,待全部金属离子完全络合后选用w=4％的释放剂甲醛释放锌离子,然后采用紫脲酸铵作为指示剂,用EDTA滴定。
3.The content of nickel in sample was determined with murexide as indicator, EDTA standard solution as titrant under the condition of pH value 9-10.试样经加热分解后用盐酸溶解,在pH值为9~10时,以紫脲酸铵为指示剂,用EDTA标准溶液滴定镍量。
英文短句/例句
1.This is a new adsorption phenomenon showing the complexity of murexide adsorption.这是一种新的吸附现象,表明了紫脲酸铵吸附过程的复杂性,对其机理进行了讨论.
2.Separation of copper with ammonium sulfate-ammonium thiocyanate-ethyl violet flotation system硫酸铵-硫氰酸铵-乙基紫体系浮选分离铜
3.A study on new solid electrolytes based on urea and ammonium thiocyanate;以脲和硫氰酸铵为主体的固体电解质的研究
4.A mixture of sulphuric acid-thiourea-thioglycollic acid is used as selective solvent for free silver sulphide and sulphuric acid-thiourea-ferric sulphate for free native silver.用硫酸-硫脲-硫代乙醇酸溶液选择溶解硫化银;用硫酸-硫脲-硫酸高铁铵溶液选择溶解自然银。
5.<title>Flotation separation of mercury(Ⅱ) by sodium nitrate-ammonium thiocyanate-ethyl violet system硝酸钠-硫氰酸铵-乙基紫体系浮选分离汞
6.The Study of Measuring Copper in Using the Surfactant Micelles to Improve the Murexide Complexometric Titration;胶束增敏紫脲酸胺络合滴定法测定铜的研究
7.ULTRAVIOLET DETERMINATION OF BY STANDARD ADDITION METHOD AMMONIUMMDYBDATES CONTENT紫外标准加入法测定水中钼酸铵含量研究
8.hexaammonium heptamolybdate tetrahydrate四水合钼酸铵(钼酸铵)
9.ammonium carbonate [chloride]碳酸 [氯化] 铵
10.Study on the Determination of Isothiocyanate Content with Thiourea Ultraviolet Method and Argentimetry异硫氰酸酯(ITC)的硫脲紫外法和银量法测定对比研究
11.The Effect of Paclitaxel Combined with 5-fluorouracil and Calcium Folinate on Advanced Gastric Cancer紫杉醇联合5-氟脲嘧啶、亚叶酸钙治疗晚期胃癌的疗效
12.tnt ammonium nitrate explosivetnt 硝酸铵炸药
13.Studied on Flotation Separation of Bismuth (III) by Ammonium Sulfate-Potassium Iodide-Crystal Violet System in the Presence of CPB;溴化十六烷基吡啶存在下硫酸铵—碘化钾—结晶紫体系浮选分离铋(Ⅲ)的研究
14.uramildiacetic acid 2-氨基丙二酰脲二乙酸
15.Chemical reagent--Ammonium sulfateGB/T1396-1993化学试剂硫酸铵
16.Chemical reagent-Ammonium nitrateGB/T659-1993化学试剂硝酸铵
17.Ammonium Nitrate Producers Study Group(ANPSG)硝酸铵制造商研究组
18.ammon gelignite硝酸铵吉里那特炸药
相关短句/例句
murexide (ammonium purpurate)骨螺紫，紫脲酸铵
3)ammonium purpurate (murexide)紫脲酸铵，红紫酸铵
4)murexidemonohydrate紫脲酸铵,一水
5)murexide indicator method紫脲酸铵指示剂法
1.The comparative tests show that the content of silicon dioxide in carbon materials determined by the melting method (MM) is more stable and accurate than the hydrofluoric acid method (MHA); while the content of calcium oxide in carbon materials tested by the murexide indicator method is more stable and accurate than the chrome blue black R indicator method.通过对比试验发现:测定炭素材料中二氧化硅的含量,熔融法的分析结果比氢氟酸法更稳定、准确;测定炭素材料中氧化钙的含量,紫脲酸铵指示剂法的分析结果比铬蓝黑R指示剂法更稳定、准确。
6)murxide-naphthalene phenol green B紫脲酸铵-萘酚绿B
延伸阅读
紫脲酸铵分子式：C8H8N6O6分子量：284.19CAS号：3051-09-0性质：红紫色粉末。能与许多阳离子形成各种颜色的络合物，其水溶液呈深紫色，在碱性溶液中呈深蓝色，如与钙离子结合呈红色，在酸性溶液为无色。微溶于冷水，水溶液极易变质，不溶地醇和醚。制备方法：将10g三氧化铬、4g水和40g冰乙酸加热溶解，冷却至30℃，分批慢慢加入16g巴妥酸，控制反应温度45-50℃。加毕，在50℃保温半小时，放置过夜，加入10g冰乙酸，滤集结晶物。取4g结晶物与8g水混合加热溶解，滤去不溶物。滤液移入乙酸铵-冰乙酸溶液中通氨，析出结晶，过滤，用沸乙醇洗涤，得紫脲酸铵。用途：络合指标剂，用于钙、钴、铜、锰、镍、钪、锌等的测定。
