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NIST Portland Cement No. 114 is used in the verification and calibration of equipment for the ASTM C115 (AASHTO T 98) Wagner Turbidimeter, ASTM C430 (AASHTO T 192) fineness by test sieve and ASTM C204 (AASHTO T 153) Blaine Air Permeability Apparatus. This standard reference material is supplied with a NIST certificate of analysis in 20 vials of approximately 5g each of cement.
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