Norm ASTM D4888-06R11

Standaard testmethode voor waterdamp in aardgas met behulp van vlekdetectorbuizen Deze titel is een machinevertaling van de oorspronkelijke Engelstalige titel (Engelstalige pagina ).
Status
:
Vervangen
Publicatiedatum
:
2011
Talen
:
EN
ICS
:
75.060 Aardgas
Samenvatting :

1.1 This test method covers a procedure for rapid and simple field determination of water vapor in natural gas pipelines. Availabel detector tubes provide a total measuring range of 0.1 to 40 mg/L, although the majority of applications will be on the lower end of this range (that is, under 0.5 mg/L). At least one manufacturer provides tubes that read directly in pounds of water per million cubic feet of gas. See Note 1.

1.2 Detector tubes are usually subject to interferences from gases and vapors other than the target substance. Such interferences may vary among brands because of the use of different detection methods. Consult manufacturer's instructions for specific interference information. Alcohols and glycols will cause interferences on some water vapor tubes because of the presence of the hydroxyl group on those molecules.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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