Tools
Sorted by:
Try your query at:
 |
 |
 |
 |
 |
 |
Results 1 - 10
of
61,895
Sequencing- Standard Reference Materials—
"... Issued September 2003Certain commercial equipment, instruments, or materials are identified in this paper in order to specify the experimental procedure adequately. Such identification is not intended to imply recommendation or endorsement by the National Institute of Standards and Technology, nor i ..."
Abstract
- Add to MetaCart
Issued September 2003Certain commercial equipment, instruments, or materials are identified in this paper in order to specify the experimental procedure adequately. Such identification is not intended to imply recommendation or endorsement by the National Institute of Standards and Technology, nor
Standard Reference Materials
"... NIST strengthens the U.S. economy and improves the quality of life by working with industry to develop and apply technology, measurements, and standards measurements 3300 employees $800 million annual budget 1200 industrial partners 2000 field agents 1500 guest researchers $1.4 billion co-funding of ..."
Abstract
- Add to MetaCart
NIST strengthens the U.S. economy and improves the quality of life by working with industry to develop and apply technology, measurements, and standards measurements 3300 employees $800 million annual budget 1200 industrial partners 2000 field agents 1500 guest researchers $1.4 billion co
radioactivity Standard Reference Materi-
, 2000
"... als (SRMs), we have performed a compre-hensive review and critical evaluation of the half-life of tritium (hydrogen-3). Twenty three experimentally-determined values of the half-life of tritium, reported between 1936 and 2000, were found. Six of these values were updated by later val-ues. Two values ..."
Abstract
- Add to MetaCart
of the adopted val-ues from the four most recent evalua-tions, (4500 8) d, where 8 d corresponds to one standard uncertainty. Key words: evaluation; half-life; hydro-gen-3; review; tritium.
Standard Reference Materials in the European Community
"... Standard reference materials within the European Community are developed by the "Bureau Communautaire de Reference. " The development of reference materials for the measurements of steady-state thermal transmission properties was started in 1975 with two candidates: a high-density resin-bo ..."
Abstract
- Add to MetaCart
Standard reference materials within the European Community are developed by the "Bureau Communautaire de Reference. " The development of reference materials for the measurements of steady-state thermal transmission properties was started in 1975 with two candidates: a high-density resin
Standard Reference Materials ® Certification of Standard Reference Material 1474a,
"... Issued November 2003Certain commercial equipment, instruments, or materials are identified in this paper in order to specify the experimental procedure adequately. Such identification is not intended to imply recommendation or endorsement by the National Institute of Standards and Technology, nor is ..."
Abstract
- Add to MetaCart
Issued November 2003Certain commercial equipment, instruments, or materials are identified in this paper in order to specify the experimental procedure adequately. Such identification is not intended to imply recommendation or endorsement by the National Institute of Standards and Technology, nor
Handbook for Standard Reference Materials Users Standard Reference Materials (SRMs) are wellcharacterized
"... materials produced in quantity and certified for one or more physical or chemical properties. They are issued under the NIST trademark and are characterized using state-of-the-art measurement methods. SRMs are designed to ensure the accuracy, traceability, and compatibility of measurement results in ..."
Abstract
- Add to MetaCart
materials produced in quantity and certified for one or more physical or chemical properties. They are issued under the NIST trademark and are characterized using state-of-the-art measurement methods. SRMs are designed to ensure the accuracy, traceability, and compatibility of measurement results
Measurement and standard reference materials for clinical chemistry
- CLIN. CHEM
, 1968
"... The concepts of the measurement system based upon four parameters-length (meter), mass (kilogram), time (second), and temperature (kelvin)-are developed. The proper daily operation of an analytic laboratory depends upon these basic measure-ments and others derived from them, eg., the liter. An addit ..."
Abstract
-
Cited by 4 (0 self)
- Add to MetaCart
. An additional component of chemical measurement which directly influences accuracy is the purity of the standards ici reagents employed. The standard reference materials program of the National Bureau of Standards provides a central source of guaranteed high-purity reference materials which are available to all
RESEARCH AND DEVELOPMENT CENTRE FOR STANDARD REFERENCE MATERIALS
"... SrCOa. The content of pure component in each of these substances was determined by classical chemical analysis. The temperatures and the heats of polymorphic transformations of these substances were measured with a Perkin-Elmer DSC-2 differential scanning calorimeter, and DTA studies were performed ..."
Abstract
- Add to MetaCart
on a MOM 1500 D Q-derivatograph. The plot heat of transformation by DSC vs. DTA peak area is advanced as a calibration line for the approximate estimation of quantitative DTA effects. The substances studied will be certified as temperature standard reference materials for use in DTA and DSC
Certificate of Analysis Standard Reference Material ® SRM 2687
"... This Standard Reference Material (SRM) is intended for use in evaluating methods of phase abundance analysis of major phases in cement clinkers: the percentages of alite (C3S) 1, belite 2 (β-C2S), aluminate (C3A), ferrite (C4AF), and arcanite (K S). Each unit consists of three hermetically-sealed co ..."
Abstract
- Add to MetaCart
This Standard Reference Material (SRM) is intended for use in evaluating methods of phase abundance analysis of major phases in cement clinkers: the percentages of alite (C3S) 1, belite 2 (β-C2S), aluminate (C3A), ferrite (C4AF), and arcanite (K S). Each unit consists of three hermetically
Certificate of Analysis Standard Reference Material ® SRM 2688
"... This Standard Reference Material (SRM) is intended for use in evaluating methods of phase abundance analysis of major phases in cement clinkers: the percentages of alite (C3S) 1, belite 2 (β-C2S), aluminate (C3A), ferrite (C4AF), and arcanite (K S). Each unit consists of three hermetically-sealed co ..."
Abstract
- Add to MetaCart
This Standard Reference Material (SRM) is intended for use in evaluating methods of phase abundance analysis of major phases in cement clinkers: the percentages of alite (C3S) 1, belite 2 (β-C2S), aluminate (C3A), ferrite (C4AF), and arcanite (K S). Each unit consists of three hermetically
Results 1 - 10
of
61,895
