Nbs Standard Reference Material. Taylor university of california davis usa and crushed by h. Nist supports accurate and compatible measurements by certifying and providing over 1200 standard reference materials with well characterized composition or properties or both.
Content and guidance in our products is based on uk building regulations legislation and building contracts. Friedrichsen university of tübingen federal republic of germany. Tap into specialist insight and analysis on standards and regulations from nbs.
Content and guidance in our products is based on uk building regulations legislation and building contracts.
Ordersshould give the number ofunits catalog number and name of standard. The material used for nbs 18 was a carbonatite from fen norway collected by b. The national standard reference data series nsrds was coordinated by the national bureau of standards nbs the predecessor of nist and published articles from 1965 1985. The fraction between 88 μm and 440 μm was bottled as nbs 18.