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Determination of Rubidium in Biological Materials by Atomic Absorption Spectrophotometry

ensitive and rapid quantitative method employing atomic absorption spectrophotometry was developed for the determination of low concentrations of Rb+ in urine, plasma and tissue.

出版机构:Taylor & Francis

刊物名称:Analytical Letters

出版时间:1971

ISSN:0003-2719

数据源:报刊文摘

1, 1-Dianthrimide as a Reagent for the Spectrophotometric Determination of Boron

The optimum conditions for the formation of the blue 1:1 complex by the reaction of 1, 1-dianthrimide and boric acid in 95% by weight sulfuric acid have been determined. The effect of certain diverse ions are reported. The procedure is applicable to the determination of 1 to 10 ? of boron.

出版机构:Taylor & Francis

刊物名称:Analytical Letters

出版时间:1971

ISSN:0003-2719

数据源:报刊文摘

Binding of Calcium to Serum Albumin I. Stoichiometry and Intrinsic Association Constant at Physiological pH, Ionic Strength, and Temperature

Ultrafiltration and spectrophotometric methods have shown that calcium is bound reversibly to serum albumin by a single class of 12?1 identical, independent binding sites with an association constant = 90-100 litres/mole at 37 ?C in unbuffered solutions with pH 7.4 and ionic strength 0.15-0.16. Tea.

出版机构:Informa Healthcare

刊物名称:Scandinavian Journal of Clinical and Laboratory Investigation

出版时间:1971

ISSN:0036-5513

数据源:报刊文摘

Catalytic Determination of Vanadium in Blood and Urine

Trace amounts of vanadium catalyze the oxidation of phenylhydrazine-p-sulfonic acid by sodium chlorate. The diazonium salt produced is coupled with 1-naphthylamine to form an azodyestuff whose absorbance is read at 530 nm.

出版机构:Taylor & Francis

刊物名称:Analytical Letters

出版时间:1971

ISSN:0003-2719

数据源:报刊文摘

Spectrophotometric Determination of Oxygen as Its Charge-Transfer Complex with N, N-Dimethylaniline

Oxygen (5-100%) in gas mixtures is determined by measuring the absorbance of its charge-transfer complex with dimethylaniline at 347 nm. The method is essentially specific, and merely requires bubbling the gas through the reagent, stabilized with EDTA.

出版机构:Taylor & Francis

刊物名称:Analytical Letters

出版时间:1971

ISSN:0003-2719

数据源:报刊文摘

Determination of Conjugated and Unconjugated Bilirubin by Methods Based on Direct Spectrophotometry and Chloroform-Extraction. A Reappraisal

The direct spectrophotometry method (15) for determination of conjugated and unconjugated bilirubin is seriously sensitive to hemoglobin admixture.

出版机构:Informa Healthcare

刊物名称:Scandinavian Journal of Clinical and Laboratory Investigation

出版时间:1971

ISSN:0036-5513

数据源:报刊文摘

On the Presence of Calcium Complexes in Aqueous Bicarbonate Solutions

ensitive spectrophotometric assay for ionized calcium has provided direct evidence for calcium complexes in aqueous bicarbonate solutions under physiological conditions as regards calcium and bicarbonate concentration, ionic strength, pH, and temperature.

出版机构:Informa Healthcare

刊物名称:Scandinavian Journal of Clinical and Laboratory Investigation

出版时间:1971

ISSN:0036-5513

数据源:报刊文摘

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