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https://www.nist.gov/publications/reference-materials-and-reference-measurement-procedures-overview-national-metrology
Reference Materials and Reference Measurement Procedures: An Overview from a National Metrology...
reference materials
measurement procedures
overview
https://www.nist.gov/publications/measurement-ph-definition-standards-and-procedures-iupac-recommendations-2002
Measurement of pH: Definition, Standards, and Procedures (IUPAC Recommendations 2002) | NIST
measurement
ph
definition
standards
procedures
https://essd.copernicus.org/articles/17/2331/2025/
ESSD - An expert survey on chamber measurement techniques and data handling procedures for methane...
expert survey
measurement techniques
essd
chamber
data