標準號：ANSI/ASTM B561-1999
中文標準名稱：精煉鉑規范
英文標準名稱：Specification for Refined Platinum
標準類型：H68
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：H68
國際標準分類號：77.120.99
適用范圍：This specification covers refined platinum as sponge, cast bar, and wrought forms () in two grades as follows: Grade 99.95 (UNS PO4995) -Platinum having a purity of 99.95 %, min, and Grade 99.99 -Platinum having a purity of 99.99 % min. -Other forms of unfabricated platinum of commerce are not to be excluded under this specification. Note 2 -For the purposes of determining conformance with this specification, an observed value obtained from analysis shall be rounded to the nearest unit in the last right hand place of figures used in expressing the limiting value, in accordance with the rounding off method of Practice E 29. The values stated in inch-pound units are to be regarded as the standard. SI units are provided for information only.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 become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.