Polyester Permeation Analyzers Calibration Film

Measurement is the basis of science, and the "reference material" with accurate quantity value is the "benchmark" of qualitative and quantitative test and analysis. Automatic and standardized modern industrial production supporting equipment and production process are inseparable from the quality assurance and quality control of reference materials. The implementation and promotion of various international and national standards also need reference materials to ensure the reliability and effectiveness of measurement results.

Internationally, in order to enable global scientific and technological workers to quickly and accurately understand and query the latest and most complete reference materials in the world, promote the wide application and promotion of reference materials in the world, and realize high-quality information services and international cooperation and exchange, 1990 In, it was organized by the French national D'ESSAIS (lne), the National Institute of standards and Technology (NIST), the British laboratory of the Government Chemist (LGC), and the German Federal Institute for material research and testing (BAM) , China National Research Center for certified reference materials (nrccrm), Japan International Trade and industry inspection Institute, itiii) and the former Soviet Union's all Soviet Institute for reference materials (uniimso) jointly established COMAR (international database on certified reference materials), the only certified reference material database in the world.

Feature

A substance or material that has been determined to have a sufficiently uniform property value, as a "measuring device" in the analytical measurement industry.

Function

First, as a calibration material, it is used for the calibration of the instrument. Because chemical analysis instruments are generally designed according to relative measurement methods, reference materials must be used to calibrate or prepare "standard curves" before or during use.

1. Development and evaluation of methods

Identify and evaluate the precision and accuracy of test methods and the confirmation of test methods

2. Guarantee of measurement comparability

Direct calibration of methods and instruments

Reference materials are a powerful tool to control the quality of analysis and testing, internal / external quality control

Second, as a known substance, it is used to evaluate the measurement method. When the measurement is carried out by different methods or different instruments, the known substances can help to judge the reliability of the results measured by the new methods and instruments. At the same time, it can also assess the operation level of analysts

Third, as a control substance, it is analyzed simultaneously with the substance to be tested. When the analytical results of the reference material are consistent with the quantity value given in the certificate within the specified limit, it is proved that the analytical results of the substance to be tested are reliable.

Standards of Reference Materials

Reference Materials of Gas Permeability:

125μm Polyester Film Certified Reference Material of Gas Permeability

[Certificate Number: GBW（E）130541]

300μm Polyester Film Certified Reference Material of Gas Permeability

[Certificate Number: GBW（E）130542]

Reference Materials of Water Vapor Permeability:

125μm Polyester Film Certified Reference Material of Water Vapor Permeability

[Certificate Number: GBW（E）130543]

300μm Polyester Film Certified Reference Material of Water Vapor Permeability

[Certificate Number: GBW（E）130544]

Reference Materials of Oxygen Permeability:

25μm Polyester Film Certified Reference Material of Oxygen Permeability

[Certificate Number: GBW（E）130497]

125μm Polyester Film Certified Reference Material of Oxygen Permeability

[Certificate Number: GBW（E）130498]

(Note: Reference Materials of Gas Permeability are applicable to all oxygen permeability analyzers which adopt Pressure Differential Method; Reference Materials of Water Vapor Permeability are applicable to all water vapor permeability analyzers which adopt Dish Method; Reference Materials of Oxygen Permeability are applicable to all oxygen permeability analyzers which adopt Coulometric Sensor Method.)

Reference Value of Reference Materials

Certification of Reference Materials

Functions	Type	Certificates
1.Calibrate, adjust and identify instrument and devices. 2.Product quality control during the production 3.Examine operation level the analyst 4.Test characteristic value of substance or material	Oxygen permeability Suit for all coulometric method oxygen permeability instrument
	Gas permeability Suit for all coulometric method gas permeability instrument
	Water vapor permeability Suit for all coulometric method water vapor permeability instrument

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