The solid mass consisting of the nitrate complex and naphthalene was then dissolved in dimethyl formamide (DMF) and absorption of the resulted solution was obtained ... with a suitable organic solvent ...

which produces a characteristic UV spectrum with a maximum absorption at 340 nm. The proposed method proved to be simple, economic, accurate and can therefore, be applied to the determination of ...

The role played by spectrophotometric methods in research on vitamins and hormones has been spectacular 1: the application of these methods to analytical procedures promises to be equally impressive.

Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Kowloon 999077, Hong Kong, China Department of Mechanical Engineering, The Hong Kong Polytechnic University, ...

Soil pH was determined using the potentiometric method, while calcium exchange (ECa) was assessed using the ammonium acetate exchange-EDTA complexation titration method, and exchangeable magnesium ...

Although iron is highly abundant in the earth’s crust, the amount that can be absorbed and utilized by plants is very low. Therefore, plants have developed a series of systems for absorption, ...