H. Singh

Direct spectrophotometric determination of trace amounts of mercury(II) in aqueous media as its dithizonate complex in the presence of a neutral surfactant

H. Singh, B. Kumar, R. Sharma, 1989 .

Micellar Enhanced Spectrofluorimetric Methods: Application to the Determination of Pyrene

H. Singh, W. Hinze, 1982 .

Spectrophotometric and high-order derivative spectrophotometric study of the indium-1-(2-pyridylazo)-2-naphthol complex in the aqueous phase

H. Singh, R. Sharma, M. Satake, 1986 .

Simultaneous Determination of Gallium and Indium with 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol in Cationic Micellar Medium Using Derivative Spectrophotometry

V. Singh, H. Singh, N. Agnihotri, 2003, Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.

Simultaneous Derivative Spectrophotometric Determination of Zinc and Cadmium with 2-(5-Bromo-2-pyridylazo)-5-diethyl-aminophenol in the Presence of Cetylpyridinium Chloride

V. Singh, H. Singh, N. Agnihotri, 2004, Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.

High-order derivative spectrophotometric determination of uranium in a cationic micellar medium

V. Singh, H. Singh, N. Agnihotri, 1995 .

Spectrophotometric and derivative spectrophotometric determination of copper (II) with dithizone in aqueous phase

H. Singh, B. Kumar, R. Sharma, 1991 .