说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 硫脲比色
1)  Thiourea colorimetry
硫脲比色
2)  Biuret colorimetry
双缩脲比色法
3)  H_2SO_4-phenol colormeter
硫-酚比色法
4)  thiourea [英][,θaiəujuə'riə]  [美][,θaɪojʊ'riə]
硫脲
1.
Study on the rheological behavior of cellulose/NaOH-urea-thiourea solution system;
纤维素/NaOH-尿素-硫脲溶液体系流变性能的研究
2.
The Impact of Leaching Gold of Thiourea about Time,C_(H_2SO_4) and C_(Fe~(3+));
浸出时间、H_2SO_4和Fe~(3+)浓度对硫脲浸金的影响
3.
Studies on the Weak Interaction and Supramolecular Structure in the Crystal of N-Ethoxycarbonyl-N'-Arylthiourea;
N-乙氧羰基-N'-取代芳基硫脲晶体中的弱相互作用及超分子结构研究
5)  thiocarbamide [英][,θaiəu'kɑ:bə,maid]  [美][,θaɪo'kɑrbə,maɪd]
硫脲
1.
Study on extraction of gold from tinylimonite ore containing small amount of gold by using thiocarbamide as extractant;
贫细微含金褐铁矿石硫脲法浸金研究
2.
Eight novel N,N′-naphthalene acyl substituted aromatic acylamino thiocarbamides(Ⅱ1~Ⅱ8) were synthesized from aryl acylhydrazine(Ⅰ) and α-naphthalene acyl isothiocyanate, which was obtained by the reaction of potassium thiocyanate with α-naphthalene acyl chloride obtained from 2-naphthylacetic acid and thionyl chloride in anhydrous benzene.
通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯,与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯,再与芳基酰肼进行加成反应,合成8种新型N,N′-萘乙酰基取代芳乙酰胺基硫脲类化合物(Ⅱ1~Ⅱ8)。
3.
A novel compound——N-naphthalene acylN′-substituted p-chlorobenzamido thiocarbamide was synthesized by reaction of p-chlorobenzamido hydrazine and α-naphthalene acyl mustard oil,which was obtained by potassium thiocyanate combined with α-naphthalene acyl chloride formed from α-naphthylacetic acid and SOCl2 in anhydrous benzene.
通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯,然后与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯,再与对氯苯甲酰肼进行加成反应,合成了新型化合物N-萘乙酰基-N′-对氯苯甲酰氨基硫脲,用薄层色谱法跟踪最后一步反应,确定了反应时间。
6)  thioureas
硫脲
1.
Synthesis of N-(4-hydroxybenzoyl)-N'-aryl thioureas;
N-(4-羟基苯甲酰基)-N’-芳基硫脲的合成
2.
In this study, the UV-spectra of AITC and its thioureas, and kinetic properties of piperidine, morpholine and diethyl amine reacted with AITC were investigated.
AITC与胺反应转化为硫脲后,最大吸收峰强度有了极大的提高,摩尔吸光系数增加了十余倍;利用我们的发现,我们以光度法研究了该反应的动力学,证明该反应为二级反应,并求得了反应速率常数和反应活化能等参数;同时,讨论了反应机理。
3.
Chapter 3: Simple synthesis, crystal structure and biological activities of N-Isononanoyl- N\'-arylthioureasA series of new N-Isononanoyl-N\'-arylthiourea compounds were synthesized simply rapidly and high efficiently by serial reactions of triphosgene, isononanoic acid, potassium thiocyanate and aromatic amines, under solvent-free conditions, and confirmed by IR, 1H NMR and 13C NMR spectra.
第一章:酰氯类化合物及酰基硫脲合成研究进展简要综述了固体光气的性质与合成、酰氯类化合物的传统合成方法、近年来固体光气在酰氯制备中的应用、酰基硫脲的应用和研究进展。
补充资料:N,N'-对称二苯基硫脲二苯基硫脲
CAS:102-08-9
分子式:C13H12N2S
分子质量:228.31
熔点:151-154℃

中文名称:N,N'-对称二苯基硫脲二苯基硫脲;N,N'-二苯基硫脲;二苯硫脲;N,N-二苯基硫脲;均二苯硫脲;促进剂CA;二苯胺基甲硫酮

英文名称:N,N'-sym-Diphenyl thiourea;Diphenyl thiourea;N,N'-diphenyl-Thiourea;thio-carbanilid;1,3-difenylthiomocovina;1,3-diphenyl-2-thiourea;1,3-diphenylthiourea;2-fenylotiomocznik;dft;diphenylthiourea;n,n'-diphenylthiocarbamide;n,n'-diphenylthiourea

性状描述:白色有光泽的片状结晶。熔点154-155℃,相对密度1.32,溶于四氢呋喃、环己酮、丙酮、醇、乙醚,微溶于聚氯乙烯用的各种增塑剂,不溶于水和二硫化碳。易燃,味苦,磨擦时发光。

生产方法:由苯胺与二硫化碳缩合而得。公斤/吨苯胺 900二硫化碳 420

用途:本品为硫化速度较快的促进剂,主要用于天然胶乳和氯丁胶乳制品,亦可用于制造硫化胶囊、水胎、补胎胶、电线电缆、工业制品、胶鞋等。本品也可作为乳液法聚氯乙烯的热稳定剂,特别适用于软质制品,一般用量为0.2-0.5%,不会使塑料制品着色,但不能防止制品受光变色。不能与铅、镉稳定剂并用,否则会导致制品变色。

二苯硫脲也是医药、染料的中间体,用于生产靛蓝、甲基靛蓝、硫化染料及浮选剂、防酸剂等。本品是测定锇、钌的化学试剂。

本品毒性低,小鼠腹腔注射LD50为400毫克/公斤,大鼠口服LD50为2000毫克/公斤,无致癌性。
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