What is certified reference material used for?
Certified Reference Materials (CRMs) are ‘controls’ or standards used to check the quality and metrological traceability of products, to validate analytical measurement methods, or for the calibration of instruments. A certified reference material is a particular form of measurement standard.
What are certified materials?
Reference material accompanied by a certificate, one or more of whose property values are certified by a procedure which establishes its traceability to an accurate realisation of the unit in which the property values are expressed, and for which each certified value is accompanied by an uncertainty at a stated level …
Is standard for XRF analysis?
In addition to the conventional methods given in IS 4032 ; 1985, the technique of X-ray fluorescence (XRF) spectroscopy may be used for routine quality control purposes. This standard lays down the procedure for conducting X-ray fluorescence spectroscopy of major and minor constituents of hydraulic cement.
What is 3.2 certification?
Type 3.2 – Inspection certificate authorised by the ordering party’s quality controller Inspection certificate “Type 3.2” is defined within EN10204:2004 as a “Document prepared by both the manufacturer’s authorized inspection representative, independent of the manufacturing department and either the purchaser’s …
What is a 2.2 material certificate?
A 2.2 certificate is a statement of compliance with the order by the manufacturer based on non-specific inspections by the manufacturer. The document is validated by the manufacturer’s authorised inspection representative, usually its own quality department.
What reference material means?
Reference materials are various sources that provide background information or quick facts on any given topic.
What are three examples of general reference materials?
This page contains definitions of and examples of different types of reference sources including almanacs, atlases, bibliographies, biographies, chronologies, dictionaries, directories, encyclopedias, handbooks, and indexes.
Why do you need a certified reference material for XRF?
Certified reference material are the preferred choice when performing XRF analysis, as they are accredited by international standards, ensuring that calibration is extremely precise. There is a lot of evidence to suggest certified reference materials have a high level of metrological traceability and reduce measurement uncertainty.
Is the new XRF calibration standards manufacturing NIST traceable?
New XRF Calibration Standards Manufacturing Utilizing quality reference standards is critical to the performance of many x-ray fluorescence analyzers. The in-house XRF Standards Laboratory of Eastern Applied Research eliminates any concern over the quality of your certified reference materials.
Which is XRF reference material for iron ore calibration?
A synthetic iron ore calibration standard is manufactured by XRF Scientific from high purity synthetic compounds according to ISO 9516-1:2003 (E). This reference material has the extra addition of NaCl and a compensating decrease of SiO2. The ISO 9516 standard does not include chlorine or sodium, but they were requested to be included.
Who are the leading suppliers of XRF instruments?
XRF Scientific is a leading supplier of equipment and solutions for XRF and inductively-coupled plasma (ICP) analytical methods. We have provided instruments and materials for laboratory and industrial applications across the world, supporting mineralogical exploration and research with bespoke XRF reference solutions.