thiourea resin

A new method to synthesize N, N'-diphenyl thiourea ( DPTU) from aniline and CS 2 was developed in the presence of acidic resin as catalyst under reflux temperature for 6 h with the yield of 82.7% and the selectivity of 100%.

探讨了合成二苯硫脲的新方法。以酸性树脂作催化剂在回流温度下使苯胺与CS2反应6h，二苯硫脲的收率达827%，选择性为100%。

The conditions of concentrating Pd with thiourea resin TUR and determining with AAS are given.

本文研究了用聚乙烯苄硫脲螯合树脂富集溶液中的微量元素钯和用原子吸收法测定钯的条件。

Determination of Trace Gold in geology Water by Thiourea Model Resin Preconcentration-Graphite Furnace Atomic Absorption Spectrometry

硫脲型树脂富集-石墨炉原子吸收光谱测定地质水中痕量金

The simultaneous determination of ultra-trace Au 、 Ag 、 Pt and Pd in geological materials by ICP-MS combined with the thiourea resin preconcentration was studied.

研究了硫脲树脂富集，ICP-MS同时测定地质样品中超痕量金、银、铂、钯的方法。

The thiourea modified crosslinked chitosan resin can be applied to the separation and purification of proteins.

硫脲修饰交联壳聚糖制备工艺简单，吸附容量较大且容易洗脱，可用作蛋白质分离纯化的吸附剂。

ORGANIC SYNTHESIS OF CHELATING THIOUREA RESIN AND ITS ADSORPTION PERFORMANCES Basic knowledge of analytical reagents& salts

硫脲盐螯合树脂的合成及其吸附性能

A Study on Adsorption Performance of Thiourea Chelate Resin on Cu~ ( 2+) Ion

硫脲树脂对Cu~（2+）吸附性能研究