搜索结果: 1-6 共查到“有机化学 spectrophotometric”相关记录6条 . 查询时间(0.088 秒)
A Sensitive Spectrophotometric Assay for Tinidazole and Metronidazole Using a Pd-C and Formic Acid Reduction System
Spectrophotometry Tinidazole Metronidazole Pharmaceutical formulations
2010/4/20
A simple, sensitive and rapid spectrophotometric method for the determination of tinidazole (TZ) and metronidazole (MZ) in pure as well as in dosage form is described. The method is based on the reduc...
A Rapid Spectrophotometric Method to Resolve a Binary Mixture of Food Colorants (Riboflavine and Sunset Yellow)
Derivative spectrophotometry simultaneous determination zero-crossing measurements sunset yellow riboflavine colorants food analysis
2010/4/20
A very simple and rapid spectrophotometric method using measurements at zero-crossing wavelength is described for resolving binary mixtures of riboflavine (E-101) and sunset yellow (E-110) in a powder...
Spectrophotometric Determination of Iron(II) with 5-Nitro-6-amino-1,10-phenanthroline
5-Nitro-6-amino-1,10-phenanthroline visible spectrophotometry determination of iron(II)
2010/4/21
A new spectrophotometric method is developed for the determination of Fe(II) with 5-nitro-6-amino-1,10-phenanthroline (NAF). In this work, the effect of factors such as pH, amount of reagent (NAF), re...
Flow Injection Speciation Analysis of Manganese in Real Samples by Diphenylcarbazide-Spectrophotometric Determination
Flow-injection Speciation Manganese Effluent streams Foods
2010/4/21
The flow injection speciation of manganese in aqueous solution using a spectrophotometry method of detection is presented. Manganese (VII) can be determined spectrophotometrically at 308 nm after the ...
The Use of Chloranilic Acid for the Spectrophotometric Determination of Three Antihistamines
Chloranilic Acid the Spectrophotometric Determination Three Antihistamines
2010/4/22
Cyproheptadine hydrochloride (CPH), methdilazine hydrochloride (MDH) and promethazine theoclate (PMT) were determined in their pure state and in pharmaceutical formulations by a simple spectrophotomet...
Flow Injection Extraction - Spectrophotometric Determination of Bismuth with Di-(hydrogenated tallow alkyl) dimethylammonium Chloride
Extraction Flow-Injection Bismuth Di-(hydrogenatedtallowalkyl)dimethylammonium chloride
2010/4/22
Bismuth(III) (0-25 m g/ml) is determined spectrophotometricaly at 513 nm after extraction into dichloromethane of the ion associate di-(hydrogenatedtallowalkyl)dimethylammonium tetraiodobismuthate. Th...