Amino acids are weak acids and weak bases, therefore, they are excellent buffering agents . 氨基酸是弱酸和弱碱,因此,它们是很好的缓冲剂。
When the resin is exhausted, exchange capacity can be regenerated with weak alkali-ammonia solution . 当交换树脂饱和后,可用弱碱-氨溶液进行再生。
Preparation of weak alkaline ion exchange fiber based on polyacrylonitrile 聚丙烯腈基弱碱性离子交换纤维的制备
Weak - base exchange resin 弱碱性阴离子交换树脂
It converts acid base to mild alkaline base , enable our body to stay healthy 将酸性体质改变为弱碱性体质,使身体更健康。
Use as organic synthetic material : polyvinyl pyrrolidone , polyamide fiber , naofukang and so on 密闭避光低温,中性或弱碱性条件下储存。
They involve a chemical equilibrium between a weak acid and its salt or a weak base and its salt 它包含弱酸及弱酸盐与弱碱和弱碱盐之间的化学平衡。
Polymeric scale inhibitor suitable for phosphate - containing or weakly alkline circulating water system 一种适合于磷系和弱碱性水处理系统的聚合物阻垢剂
Assumes orange in the acid solution , assumes the yellow in the strong fluid , in the weak lye is the purple red 在酸性溶液中呈橘红色,在强健液中呈黄色,弱碱液中为紫红色
Determination for strong - base group , weak - base group and weak - acid group exchange capacity of acrylic type anion exchange resins 丙烯酸系阴离子交换树脂强碱基团弱碱基团和弱酸基团交换容量测定方法