Spectrophotometric determination of micro palladium with chlorophenolazo rhodanine in microemulsion medium;
微乳液介质-氯酚偶氮罗丹宁分光光度法测定微量钯
Determination of Trace Gold by Spectrophotometric Method with HSCT;
氯磺酚偶氮硫代若丹宁光度法测定微量金
Determination of silver in water by HSCT solid phase extraction and spectrophotometry;
氯磺酚偶氮硫代若丹宁固相萃取光度法测定水中的银
Determination of Mercury in Water Samples by HSCT Spectrophotometry;
氯磺酚偶氮硫代若丹宁光度法测定环境水样中的汞
Determination of platinum by spectrophotometry with 5-(2-hydroxy-4-sulfo-5-chlorophenol-1-azo)-thiorhodanine after microwave digestion;
微波消解-氯磺酚偶氮硫代若丹宁分光光度法测定催化剂中的铂
Color reaction of mercury with 5-(2-hydroxy-4-sulfo-5-chlorophenol-1-azo)-thiorhodanine (HSTC) was studied.
研究了氯磺酚偶氮硫代若丹宁(HSCT)与汞的显色反应,在pH3。
Based on the color reaction of mercury with 5-(2-hydroxy-4-sulfo-5-chlorophenol-1-azo)-thiorhodanine (HSTC) and the solid phase extraction of the colored complex with C 18 cartridge, a new method for the determinations μg·L -1 level of mercury was studied.
研究了氯磺酚偶氮硫代若丹宁 (HSCT)与汞的显色反应 ,在pH 3 6的HAc NaAc缓冲介质中 ,HSCT与汞反应生成 2∶1稳定络合物 ,该络合物可被C18固相萃取小柱定量萃取富集 ,富集倍数达 80倍 ,小柱上保留的络合物用DMF洗脱后用分光光度法测定 ,在洗脱液中络合物λmax=5 4 5nm ,ε =6 2 4× 10 4L·mol-1·cm-1。