[HTML][HTML] Sample preparation for geochemical analysis: Strategies and significance

V Balaram, KSV Subramanyam - Advances in Sample Preparation, 2022 - Elsevier
Accurate determination of elemental and isotopic compositions of geological samples must
be a pre-requisite for successful mineral exploration, basic geochemical and …

Recent advances in the determination of elemental impurities in pharmaceuticals–Status, challenges and moving frontiers

V Balaram - Trac trends in Analytical chemistry, 2016 - Elsevier
Elemental impurities have been regulated in pharmaceutical products for many decades.
Metal impurities such as As, Cd, Cu, Pb, Hg, V and Pt in pharmaceuticals and drugs are …

Indicator minerals, pathfinder elements, and portable analytical instruments in mineral exploration studies

V Balaram, SS Sawant - Minerals, 2022 - mdpi.com
Until recently, the classic approach to mineral exploration studies was to bring the field
samples/drill cores collected during field studies to the laboratory, followed by laborious …

Current and emerging analytical techniques for geochemical and geochronological studies

V Balaram - Geological Journal, 2021 - Wiley Online Library
Progress in both basic and applied geochemical studies highly depend on the progress of
the analytical instrumentation in general. In recent times, there have been spectacular …

Determination of precious metals in rocks and ores by microwave plasma-atomic emission spectrometry for geochemical prospecting studies

V Balaram, D Vummiti, P Roy, C Taylor, P Kar, AK Raju… - Current Science, 2013 - JSTOR
Methods were designed and developed for the quantitative determination of Au, Ag, Pt and
Pd in several rock and ore reference samples by a new analytical technique, microwave …

A rapid method for the determination of gold in rocks, ores and other geological materials by F-AAS and GF-AAS after separation and preconcentration by DIBK …

V Balaram, R Mathur, M Satyanarayanan, SS Sawant… - Mapan, 2012 - Springer
A solvent extraction method using diisobutyle ketone (DIBK) is designed for the accurate
and precise estimation of very low concentrations of gold in rocks, ores and other geological …

X-ray spectrometry

K Tsuji, K Nakano, H Hayashi, K Hayashi… - Analytical …, 2008 - ACS Publications
In this review, we focus on the most significant and essential progress in X-ray spectrometry
(XRS) published during the period 2006-2007 covering the following topics: developments …

Problems involved in using improper calibration CRMs in geochemical analyses: A case study on mafic rocks of Boggulakonda Pluton, east of Cuddapah Basin, India

KSV Subramanyam, V Balaram, UVB Reddy… - Mapan, 2013 - Springer
The performance and response of two commonly used certified reference materials (CRMs)
for mafic rocks MRG-1 (CANMET, Canada) and JGb-1 (Geological Survey of Japan), both …

RoHS Regulation: challenges in the measurement of substances of concern in industrial products by different analytical techniques

V Balaram, U Rambabu, MRP Reddy, NR Munirathnam… - Mapan, 2018 - Springer
Abstract The European Union's as well as India's reduction of hazardous materials (RoHS)
directives state that producers of certain categories of electrical and electronic equipments …

Geochemical Studies in India: CSIR-NGRI Contributions

MR Mohan, DS Sarma, TC Khanna… - Journal of the …, 2021 - pubs.geoscienceworld.org
Abstract The Indian Shield, composed of diversified rock types, formed at different ages,
emplaced in varied tectonic environments, is a natural laboratory for the geoscientific …