ASTM RR/D02-1679-2009建立ASTM D5291. 09精度说明的实验室研究 石油产品和润滑油中碳、氢、氮的仪器测定标准试验方法Interlaboratory Study to Establish Precision Statements for ASTM D5291. 09,Standard Test Methods for Instrumental Determination of Carbon,Hydrogen,and Nitrogen in Petroleum Products