ASTM D2798-21 引用标准 ASTM D121 ASTM D2797 ASTM D388 购买 正式版 通过该测试方法测定的煤中镜质体成分的平均最大反射率通常用作分类 D388 中提出的等级指标,与岩相成分无关,并且用于表征作为碳化、气化、液化、和燃烧过程。该测试方法用于科学和工业研究。< ^范围:1.1 该测试方法涵盖了在不同等级煤中...
ASTM D121ASTM D2797ASTM D388 适用范围 1.1 本测试方法涵盖了在褐煤到无烟煤煤中存在的镜质体和其他显微组分的抛光表面的油中测量的平均最大反射率和平均随机反射率的显微测定。该测试方法可用于测定其他显微物质的反射率。 1.2 本标准并不旨在解决与其使用相关的所有安全问题(如果有)。本标准的使用者有责任在使...
ASTM D121 ASTM D1412/D1412M ASTM D2013/D2013M ASTM D2234/D2234M ASTM D2798 ASTM D3172 ASTM D3173/D3173M ASTM D3174 ASTM D3175 ASTM D3302/D3302M ASTM D4239 ASTM D4596 ASTM D5016 ASTM D5192 ASTM D5865 ASTM D720/D720M 购买 正式版 1.1 本标准涵盖了煤的等级分类,即根据其变质或...
ASTM D1412 ASTM D1857 ASTM D2013 ASTM D2234/D2234M ASTM D2639 ASTM D2798 ASTM D3172 ASTM D3173 ASTM D3174 ASTM D3175 ASTM D3176 ASTM D3180 ASTM D3302 ASTM D388 ASTM D4371 ASTM D4749 ASTM D5061 ASTM D5114 ASTM D5192 ASTM D5263 ASTM D5515 ASTM D5865 ASTM D6316 ASTM D7430 ...
GeoImage™ revolutionizes vitrinite maceral analysis by using a camera to quickly and accurately measure reflectance. Designed for organic petrographic analysis according to ISO 7404-5 and ASTM D2798 standards, GeoImage™ reads vitrinite reflectance intensity from each pixel of a calibrated camera, ...
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D2798-99 Standard Test Method for Microscopical Determination of the Reflectance of Vitrinite in a Polished Specimen of Coal D2799-99 Standard Test Method for Microscopical Determination of Volume Percent of Physical Components of Coal D2961-01a Standard Test Method for Single-Stage Total Moisture Les...
ASTM D388 下载积分: 900 内容提示: Designation: D388 − 15Standard Classif i cation ofCoals by Rank 1This standard is issued under the f i xed designation D388; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year ...
ASTM附着力测试主要依据ASTM D4541-09标准,适用于金属基材上的涂层,包括热喷涂、喷涂、刷涂、浸涂等涂层形式。测试方法主要包括使用便携式附着力测试仪进行拉伸、剪切或撕裂测试。测试过程中,首先在涂层上制作一定形状的切口,然后将测试胶带粘贴在切痕上,之后撕...
9、(Test Method D 2798)and for microscopical determination of the volume percent ofphysical components of coal (Test Method D 2799).5. Apparatus5.1 Grinder, Pulverizer, or Mill, for final crushing of thesample to pass a 850-m (No. 20) sieve. Mortar and pestle orother equipment suitable ...