ASTM D4891用化学计量燃烧法在天然气系列中煤气发热值试验方法
日期:2012-02-07 17:33
r of 1 min or less and can be used for on-line measurement and control.
The method is sensitive to the presence of oxygen and nonparaffin fuels. For components not listed and composition ranges that fall outside those in Table 1, modifications in the method may be required to obtain correct results.
1. Scope
1.1 This test method covers the determination of the heating value of natural gases and similar gaseous mixtures within the range of composition shown in Table 1.
1.2 This standard involves
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