ASTM-D4051:2004 Edition

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D4051-99(2004) Standard Practice for Preparation of Low-Pressure Gas Blends

Published By	Publication Date	Number of Pages
ASTM	2004	4

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Categories: 71.100.20 - Gases for industrial application, ASTM

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Description

ASTM D4051-99-Reapproved2004

Historical Standard: Standard Practice for Preparation of Low-Pressure Gas Blends

ASTM D4051

Scope

1.1 This practice covers a laboratory procedure for the preparation of low-pressure multicomponent gas blends. The technique is applicable to the blending of components at percent levels and can be extended to lower concentrations by performing dilutions of a previously prepared base blend. The maximum blend pressure obtainable is dependent upon the range of the manometer used, but ordinarily is about 101 kPa (760 mm Hg). Components must not be condensable at the maximum blend pressure.

1.2 The possible presence of small leaks in the manifold blending system will preclude applicability of the method to blends containing part per million concentrations of oxygen or nitrogen.

1.3 This practice is restricted to those compounds that do not react with each other, the manifold, or the blend cylinder.

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.

Keywords

analytical standard; low-pressure gas blends

ICS Code

ICS Number Code 71.100.20 (Gases for industrial application)

DOI: 10.1520/D4051-99R04

Additional information

Standard Title	D4051-99(2004) Standard Practice for Preparation of Low-Pressure Gas Blends
Published Code	ASTM
Publication Date	2004
Pages Count	4
ICS Codes	71.100.20 - Gases for industrial application