Bhartiya Nirdeshak Dravya BND® 4201, India’s first home grown 999.9 fine gold standard developed by India Government of MINT and CSIR-NPL.
Abstract: One of the most successful methods for assuring accuracy of measurement in different laboratories and tracing the same to the national standards is through the use of certified reference materials. CSIR-NPL has developed Indian Certified Reference Materials—trademarked Bhartiya Nirdeshak Drvayas (BNDs).
The author is the Chief Scientist at the Department of Planning, Monitoring and Evaluation Group (PME) at CSIR- National Physical Laboratory, New Delhi. rppant@nplindia.org
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