• 中文主题词：抽样方法 ; 粉状的 ; 粉碎作用 ; 煤 ; 细度试验 ; 燃料 ; 固体燃料 ; 试验
• 标准号：ASTM D197-1987(2002)
• 发布日期：1987
• 英文题名：Standard Test Method for Sampling and Fineness Test of Pulverized Coal
• 英文主题词：fineness ; pulverized coal ; sampling ; sieve analysis
• 标准状态：现行
• 发布单位：US-ASTM
• 国际标准分类号：73.040 (Coals)
• 载体形态：7P.;A4
• 中国标准分类号：D21
• 国别：美国材料与试验协会

1.1 This test method covers the determination of the fineness by sieve analysis of coal sampled from a dry pulverizing operation. It is not applicable to products of wet milling or to fines that have clustered into an agglomerated mass.

1.2 The values stated in inch-pound units shall be regarded as the standard. Sample weights of 1000 g or less shall be expressed in metric units.

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.