Chemical Calibration: Certifiers of Spectrophotometric NTRMs. National Voluntary Laboratory Accreditation Programm. 2011 Edition.

摘要

NIST Handbook 150-21 presents the additional technical requirements of NVLAP for accreditation of laboratories that design, prepare, characterize, certify, and distribute NIST-traceable reference materials (NTRMs) for spectrophotometric filters. NIST Special Publication SP 260-140 defines an NTRM as a commercially produced reference material with a well-defined traceability linkage to existing NIST chemical measurement standards. The program may be referred to by the short title filter NTRMs. This handbook is intended for information and use by staff of accredited laboratories, those laboratories seeking accreditation, other laboratory accreditation systems, laboratory assessors, users of laboratory services, and others needing information on the accreditation requirements. Technical specifications for use by laboratories that design, prepare, characterize, certify, and distribute spectrophotometric filter NTRMs are found in the NIST Special Publications (SP) 260 series. Each SP 260 and the present document will be reviewed periodically and revised as necessary to accommodate new technology and revised protocols. Whenever possible, changes to operational procedures will be implemented at the anniversary of an accreditation.