In the paper,the progresses on the phase chemistry of brine system for the boron resource development corresponding to the stable phase equilibrium of the brine system with the components either boron acid or borate,the meta-stable system of brine system containing borate,and the calculated solubility of the brine system with the component of boron were reviewed in details,and the progress.
相平衡与相图是盐湖卤水资源开发利用的理论依据,本文重点归纳总结了含硼资源开发的有关相化学研究进展,内容主要包括硼酸和硼酸盐体系的稳定相平衡、硼酸盐体系的介稳相平衡及含硼水盐体系溶解度理论计算的研究现状,重点总结了我国卤水中硼资源和硼矿资源开发利用的有关相平衡研究现状,指出了存在的主要问题和发展方向。
41% respectively through the processes of acidification to produce boron acid.
以青海大柴旦盐湖富硼镁卤水及固态硼酸盐沉积为原料,以H3BO3-MgC l2-H2O体系、H3BO3-MgC l2-CaC l2-H2O体系0℃和25℃的相图为依据,分别制订了制取硼酸的不同的工艺过程解析方案,单次循环硼的理论收率分别为65。
The results show that the boron - rich slag obtained from melting ludwigite can be used as the raw material of producing borax and boron acid.
对富硼渣熔态钠化—加压水浸制硼砂、富硼渣碳碱法制硼砂、富硼渣硫酸浸出一步法制硼酸三种工艺进行了研究。
A series of thermochromism complex made of bromocresolpurple,boracic acid,carboxyl acid and its ramification were prepared.
制备了溴甲酚紫-硼酸、羧酸及其衍生物系列热变色复配物,考察其配比、填料的种类与用量、光照、高温等因素对其热色性能的影响。
Influence of boracic acid on traps distribution and afterglow properties of SrAl_2O_4:Eu~(2+),Dy~(3+) phosphor materials;
不同B2O3含量样品的扫描电镜照片表明:随着助熔剂硼酸掺入量的增加,晶体的结晶度越来越高;其X射线衍射分析表明:随着硼酸掺入量的增加,属单斜晶系的SrAl2O4晶体结构仍是材料的主相,但是有新的铝酸盐生成。
Determination of end-point in measuring boronic acid using pH-V potentiometric double-point titration;
pH-V双点电位滴定法确定硼酸滴定终点
This paper has studied the esterification of isopropanon and salicylic acid in the presence of boronic acid.
以硼酸为催化剂合成水杨酸异丙酯 ,发现硼酸对水杨酸异丙酯的合成具有良好的催化活性。
New chiral boronic acid sensor was synthesized and its enantioselectivity towards tartaric acid was studied.
合成了新的由蒽及苯乙胺衍生的手性芳基硼酸荧光探针,研究了该手性探针对酒石酸的对映选择性识别作用。
One-pot synthesis of 3,4-dihydropyrimidin-2(1H)-one derivatives catalyzed by boric acid;
硼酸催化的一锅法合成3,4-二氢嘧啶-2-酮衍生物
A study on the property of boric acid aqueous solution in metastable zone;
硼酸水溶液介稳区性质的研究
Oxidation problem of C-Cu fiber prepared by using boric acid;
硼酸涂覆法防止C-Cu复合丝氧化问题
In the study of the fluoboricboric acids matrix, a method is described for the determination of potassium and sodium in cement by flame photometry.
研究了在氟硼酸－硼酸体系中，采用火焰光度法测定水泥中钾、钠的方法。