申请人:CALGON CORPORATION
公开号:EP0525890A1
公开(公告)日:1993-02-03
Method for solubilizing tellurium over a wide pH range using a-substituted carboxylic acids as solubilizing agents. Particular examples of solubilizing agents include hydroxyacetic acid, tannic acid, tartaric acid, citric acid, 2,6-pyridine dicarboxylic acid, lactic acid, gluconos-lactone (gluconic acid), 2-puroic acid, thiophene-2-carboxylic acid, 2,3-pyridine dicarboxylic acid, phosphonoacetic acid, thiophene-2-acetic acid and mercaptoacetic acid. Related compositions containing soluble tellurium are also disclosed.
使用 a-取代的羧酸作为增溶剂,在较宽的 pH 值范围内增溶碲的方法。增溶剂的具体例子包括羟基乙酸、单宁酸、酒石酸、柠檬酸、2,6-吡啶二羧酸、乳酸、葡萄糖酸内酯(葡萄糖酸)、2-呋喃酸、噻吩-2-羧酸、2,3-吡啶二羧酸、膦酰基乙酸、噻吩-2-乙酸和巯基乙酸。还公开了含有可溶性碲的相关组合物。