The color reaction of palladium with 4 (2 thiazolylazo) 5 diethylamino aminobenzene(TDEAB)was investigated.

研究了新试剂4 （2噻唑偶氮）5 二乙氨基苯胺（TDEAB）与钯的显色反应。

Amino-sulfonic acid series water-reducing agent was prepared with the materials ofp-aminobenzene sulfonic acid, phenol and formaldehyde by changing the technical parameters.

以对氨基苯磺酸、苯酚、甲醛等为原材料，通过调整工艺参数，制备了氨基磺酸系高效减水剂。