
Methods of test for pulp and paper Determination of pH of aqueous extracts - Cold extraction method
出版:Standards Australia

专家解读视频
First published in Australia as AS P1.P421m-1964.Revised and redesignated AS 1301.P421-1973.Revised and redesignated AS 1301.421s-1991.First published in New Zealand as NZS P1.P421ts:1957.Revised and redesignated NZS P421m:1959.Second edition 1964.Revised and redesignated NZS/AS 1301.P421m:1973.Revised and redesignated NZS/AS 1301.421s:1991.Jointly revised and designated AS/NZS 1301.421s:1998.Jointly revised and redesignated as AS/NZS 1301.421:2008.
Pending Revision indicates that as a result of the Aged Standards review process, the document needs updating. If no project proposal, meeting the quality criteria, is received within the 12 month timeframe, the document shall be withdrawn.
ISO 6588-1:2005 - Identical