1)  C.1.Acid BIack 31(17580)
弱酸性黑BG
2)  Week Acid Black BG
弱酸性黑BG
3)  weak acid
弱酸
1.
Performance of weak acid coating on latex glove surface;
乳胶手套表面弱酸涂层的性能(英文)
2.
The Improvements of the Test on Determining weak acid lonizational Degree and lonizational constant;
弱酸电离度和电离常数测定实验的改进
3.
This paper proposes that weak acid is a coordination compound that regards hydrogen ion as “coordination body” and regards acid radical as central atom.
本文首次提出将弱酸看成是以氢离子为“配体”,以弱酸的酸根为中心“原子”所形成的“配合物”,通过计算该“配合物”的生成函数N并绘制PH-N图,用Bjerrum,N。
4)  weak acids
弱酸
1.
This paper gives a new titrimetric method which is a buffered titration to be ablc to titrate weak acids and bases with dissociation constants less than 10 -7 .
对于离解常数小于10-7的弱酸弱碱,给出一种新的滴定分析法缓冲滴定法。
5)  feeble-acid-ammonium
弱酸铵盐
1.
Study on natural rubber latex been conserved with feeble-acid-ammonium salt;
弱酸铵盐保存天然鲜胶乳的研究
6)  weak acidity
弱酸性
1.
The synthetic technology of urea-formaldehyde resin with weak acidity initial condition;
弱酸性条件起始合成脲醛树脂的工艺研究
2.
The possibility of the synthetic technology of urea-formaldehyde(UF) resins with low formaldehyde emission under weak acidity condition was discussed.
探讨了在弱酸性条件下合成低甲醛释放量的脲醛树脂工艺的可能性。
参考词条
补充资料:弱酸性黑BG
分子式:C23H17N4NaO7S
分子量:516.460
CAS号:暂无

性质:蓝光黑色粉末,溶于水中为紫色至蓝黑色,溶于酒精为紫色,在浓硫酸中呈紫色至黑色,在稀硫酸中呈灰色,其水溶液加入浓盐酸为紫黑色,加入氢氧化钠溶液呈紫黑色。

制备方法:2-甲氧基硝基苯胺重氮化,在酸性条件下与N-苯基γ酸偶合,再经中和,盐析而得。

用途:在弱酸性浴中染羊毛织物,可以得到较好乌黑度的黑色,染羊毛和粘胶混纺织物时,采用加硫酸铵的工艺进行一浴法染色,也得到满意的乌黑度。染羊毛织物时,匀染性好,牢度高。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。