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标题: ASTM D4972-2001(2007) 土壤pH值试验方法下载 [打印本页]

作者: sigh007 时间: 2013-3-1 14:32:36 标题: ASTM D4972-2001(2007) 土壤pH值试验方法下载

中文名称: 土壤pH值试验方法

英文名称:Standard Test Method for pH of Soils

中标分类：Z15	ICS分类：13.080.10
标准分类编号：AS	页数：3

发布日期：	实施日期：2001-01-10	作废日期：
被替代标准：		代替标准：ASTM D4972-2001
引用标准：ASTM C670;ASTM D1193;ASTM D3740;ASTM D653;ASTM G51		采用标准：
起草单位：		归口单位：

标引依据：

补充修订：

备注：

范围：1.1 This test method covers the measurement of the pH of soils for uses other than for corrosion testing. Such measurements are used in the agricultural, environmental, and natural resources fields. This measurement determines the degree of acidity or alkalinity in soil materials suspended in water and a 0.01 M calcium chloride solution. Measurements in both liquids are necessary to fully define the soil's pH. This variable is useful in determining the solubility of soil minerals and the mobility of ions in the soil and assessing the viability of the soil-plant environment. A more detailed discussion of the usefulness of this parameter is not warranted here; however, it can be found in many discussions of the subject. A few such discussions are given as Refs (1-6) at the end of the text.1.2 The values given in SI units are to be regarded as the standard.This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the

下载地址：[attach]531[/attach]

作者: 2013 时间: 2013-3-24 20:24:08

谢谢分享！！！！！！！！！！！！

作者: 同名 时间: 2015-1-14 21:51:04

有ASTM D4972-2013了，http://www.astm.org/Standards/D4972.htm#_ga=1.46926062.894355957.1421241836

作者: alin501 时间: 2015-11-18 11:00:31

非常谢谢,可以下载的！

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