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ASTM D4642-2004(2010)
Standard Test Method for Platinum in Reforming Catalysts by Wet Chemistry
适用范围：<p>This test method provides a means of determining the platinum content of fresh reforming catalysts where the platinum is supported on an all alumina substrate. </p> <p>This test method is not intended to cover samples containing metals other than platinum. Palladium, rhenium, and rhodium in particular interfere with the spectrophotometric determination of platinum.</p><p id="s00002">1.1 This test method covers the determination of platinum in nonzeolitic, fresh reforming catalysts containing platinum as the only precious metal, in the range of concentration of 0.200 to 0.700 weight %.</p> <p id="s00054">1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.</p> <p id="s00003">1.3 <span class="italic">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.</span>
实施日期： 2004-04-01
中标分类号： G74 - 化工 - 催化剂基础标准与通用方法
ICS分类号： 71.040.30 - 化工技术 - 化学试剂
标准组织： ASTM - 美国材料与试验协会标准
全文来源： WF
英文关键词： platinum precious-metal reforming catalyst spectrophotometric Zeolite catalysts Alumina Catalysts/catalyst carriers Color--petroleum products Platinum content Platinum (cracking) catalysts Spectrophotometry--absorption Substrates
语种： 汉语
页数： 3
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