Patel, K. S. ; Shukla, A. ; Goswami, A. ; Chandavanshi, S. K. ; Hoffmann, Peter (2001)
A new spectrophotometric method for the determination of total and ferric iron in rain water at the ppb level.
In: Fresenius' Journal of Analytical Chemistry, 369 (6)
Artikel, Bibliographie

Patel, K. S. ; Shukla, A. ; Agarwal, N. ; Hoffmann, Peter (2001)
Visible spectrophotometric determination of tantalum in soil, sediment, minerals, and alloys.
In: Journal of AOAC international, 84 (2)
doi: 10.1093/jaoac/84.2.399
Artikel, Bibliographie

Patel, K. S. ; Shukla, A. ; Goswami, A. ; Chandavanshi, S. K. ; Hoffmann, Peter (2001)
A new spectrophotometric method for the determination of total and ferric ion in rain water at the ppb level.
In: Fresenius' journal of analytical chemistry, 369
Artikel, Bibliographie

Patel, K. S. ; Shukla, A. ; Tripathi, A. N. ; Hoffmann, Peter (2001)
Heavy Metal Concentrations of Precipitation in East Madhya Pradesh of India.
In: Water, Air, & Soil Pollution, 130 (1)
Artikel, Bibliographie