certified reference

The first series of certified reference materials of iron ores to which 15 certified values are assigned was prepared.

The developing process of a suit of certified reference materials of nitrogen cast iron for spectrum analysis was introduced.

To meet the requirement of doping detection in food, testosterone methanol solution certified reference material(CRM) was developed.

The developing process of the certified reference material of polymethylmethacrylate for oxygen index was introduced.

The certified reference material mainly consists of polyisobutylene and hexadecane with good homogeneity and stability.

Methods The measurement accuracy of two different methods was verified with the samples of RELA 2009 and certified reference material.

in such cases traceability may be achieved by using validated test methods, calibrated equipment and certified reference materials.

The developing process of the certified reference material of rheological properties of polymer was introduced.

Sulfur content in crude oil certified reference material was determined by oxygen bomb combustion and ion chromatography method.

The developing process of the certified reference material for composition analysis of rare earth ores was introduced.

The fixture base is certified & reference body grid lines are property identified.

Certified reference material of rigid PVC for oxygen index was developed.

A review regarding the development of domestic and foreign geological certified reference materials since 1992 was given.

The developing process of 22 kinds of certified reference materials for monitoring water quality is introduced.

Recommendations for documentation of the preparation of certified reference materials for metallurgical analysis of non-ferrous metals

Graphic technology - Process control - Certified reference material for opaque area calibration of transmission densitometers

Graphic technology-Process control-Certified reference material for opaque area calibration of trans- mission densitometers

Discussion of the uncertainty of certified values of certified reference material for spectroscopic analysis

Characteristics of certified reference sample of domestic nodular cast iron and its application

Preparation Technology of Food Nutritional Component Certified Reference Materials

A Study on Certified Reference Material Homogeneity for Burning Rate of Composite Solid Propellant

Directives for the work of reference materials(4)--Stipulation of contents for certificate of certified reference materials

Iron ores - Certified reference materials - Preparation and certification for use in chemical analysis

Discussion on Traceability of Property Value for Trace Elements in Geologic Certified Reference Materials

Certified Reference Materials Preparation of Copper, Lead and Zinc (Silver) Ores and Concentrates

Evaluation on the stability of metallurgical certified reference materials

Directives for the work of reference materials(6). General rules for package of certified reference materials

Traceability of values of chemical ingredients and certified reference materials

Evaluation and Investigation on the Stability of Certified Reference Material

Preparation of Certified Reference Material of HMX and Study on its Homogeneity

Preparation of Certified Reference Materials for Chemical Phase Analysis of Gold Ore Samples

Research and Preparation of Yellow Sea Sediment Certified Reference Material

Directives for the work of reference materials(8)--Uses of certified reference materials

Announcement of Newly Approved National Certified Reference Materials of P. R. China

Present Situation Analysis of Certified Reference Materials on Food Safety Test

Development of Phosphorus Solution Certified Reference Material

Development of Certified Reference Material of Wheat Powder for Analysis of Nutritional Ingredients

Development of Dextran Molecular Weight Certified Reference Materials

Discussion of Method of Certified Reference Material to Proficiency Test

Management of certified reference samples

Preparation of certified reference material of hydrogen in Al-Li alloys

Calibration in analytical chemistry and use of certified reference materials

Uses of certified reference materials

Development of Certified Reference Material of Total Carbon

Study on certified reference material of iodine in kelp

The application of certified reference materials in the field of chemical analysis