| [A rapid separation and quantitation of sodium cyclamate in food by ion-pairreversed-phase high performance liquid chromatography]. | Se Pu | 1999 May | 12549127 | 
        
            | Simultaneous determination of antioxidants, preservatives and sweetenerspermitted as additives in food by mixed micellar electrokinetic chromatography. | J Chromatogr A | 1999 Jun 25 | 10431367 | 
        
            | Determination of sorbic acid in urine by gas chromatography-mass spectrometry. | J Chromatogr A | 1999 Jun 25 | 10431356 | 
        
            | Studies on extraction of fumonisins from rice, corn-based foods and beans. | Mycotoxin Res | 1999 Jun | 23605182 | 
        
            | The analysis of beta-agonists by packed-column supercritical fluid chromatographywith ultra-violet and atmospheric pressure chemical ionisation mass spectrometricdetection. | Analyst | 1999 Jun | 10736867 | 
        
            | Extraction and spectrophotometric determination of copper(II) withS,S-bis(2-aminophenyl)oxalate. | J Pharm Biomed Anal | 1999 Jun | 10704036 | 
        
            | Capillary electrophoresis for trace metal ion analysis in environmental studies. | Electrophoresis | 1999 Jul | 10445323 | 
        
            | Determination and survey of ochratoxin A in wheat, barley, and coffee--1997. | J AOAC Int | 1999 Jan-Feb | 10028675 | 
        
            | Preparative method for isolating alpha-zearalenol and zearalenone using extracting disk. | J AOAC Int | 1999 Jan-Feb | 10028676 | 
        
            | Time-dependent sorption of imidacloprid in two different soils. | J Agric Food Chem | 1999 Jan | 10563894 |