A method for the determmatlon of trace levels of transItion metal 1011s such as Fez+, Mn'+ and Zn2+ by hquld chromatography usmg reversed-phase Ion-pair separation, post-columu denva&atlon urlth 4\_(2-pyrldylazo)resorcmol and spectrophotometnc detection at 520 and 540 nm IS described Even tugh level
โฆ LIBER โฆ
Analysis of substrates and metabolites in fermentation broth by ion chromatography
โ Scribed by R.S.Robin Robinett; Wayne K. Herber
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 655 KB
- Volume
- 671
- Category
- Article
- ISSN
- 1873-3778
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## Abstract In this paper, highโspeed counterโcurrent chromatography (HSCCC), assisted with ESIโMS, was first successfully applied to the preparative separation of three macrolide antibiotics, brefeldin A (12.6โmg, 99.0%), 7โฒโ__O__โformylbrefeldin A (6.5โmg, 95.0%) and 7โฒโ__O__โacetylbrefeldin A (5
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