摘要:

An oscillopolarographic titration method for the determination of norfloxacin in materials and capsules is described in this paper. The norfloxacin is precipitated as NOR-TPB. Filtrates were titrated with thallous sulfate in an alkaline solution. The recoveries ranged from 99.10% to 100.53% by the use of a standard addition. Experiments showed that the proposed method gave the same results as the approach using nonaqueous titration as USP and CSP.

ISSN:0003-2719    

DOI:10.1080/00032719608000397

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

摘要:

A method is developed for the extraction of manganese(II) from salicylate solution with Tris(2-ethylhexyl)phosphate as extractant. Manganese is extracted quantitatively from 7×10−1mol/l salicylate solution at a pH 5.2–5.6 with 1.28mol/l Tris(2-ethylhexyl)phosphate (dissolved in toluene). The probable extracted species as ascertained by logD-logC plots is Mn(HSal)22T2EHP. The method permits separation of manganese(II) from commonly associated elements and has been extended for the separation and determination of manganese in alloys, pharmaceuticals and environmental samples.

ISSN:0003-2719    

DOI:10.1080/00032719608000398

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

ISSN:0003-2719    

DOI:10.1080/00032719608000399

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

ISSN:0003-2719    

DOI:10.1080/00032719608000402

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor