BS 4559-4(2000) : 2000 AMD 16907
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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METHODS FOR PREPARATION OF CALIBRATION GAS MIXTURES - CERTIFICATE OF MIXTURE PREPARATION
28-02-2007
23-11-2012
1 Scope
2 Terms and definitions
3 Requirements for certificates and certificate
extracts
3.1 General
3.2 Stated information
3.3 Gas mixture specification
3.4 Pure gas specification
3.5 Additional product information
Bibliography
Defines requirements for certificates for pure gases and homogenous gas mixtures to be used as calibration gases. Specifies the mandatory data (minimum information) required, and optional data (additional information) recommended in order to characterize a pure gas or homogenous gas mixture under pressure in a cylinder or other container.
| Committee |
PTI/15
|
| DevelopmentNote |
Supersedes 96/123175 DC and BS 4559-4(1988) (08/2005) Renumbered and superseded by BS EN ISO 6141. (02/2007)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| ISO 13443:1996 | Natural gas Standard reference conditions |
| ISO Guide 31:2015 | Reference materials — Contents of certificates, labels and accompanying documentation |
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