https://www.nist.gov/publications/milligram-mass-metrology-quantitative-deposition-liquid-samples
MILLIGRAM MASS METROLOGY FOR QUANTITATIVE DEPOSITION OF LIQUID SAMPLES | NIST
Nov 29, 2022 - Quantitative dispensing of liquids by mass becomes increasingly difficult as sample volume decreases.
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https://www.bipm.org/en/mass-metrology
Mass metrology - BIPM
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