首页 馆藏资源 舆情信息 标准服务 科研活动 关于我们
现行 ASTM D7817-12(2021)
到馆提醒
收藏跟踪
购买正版
Standard Test Method for Enumeration of Yeast and Mold in Raceway Brine, Brine-Cured Hides and Skins 滚道盐水、盐水固化皮革和皮肤中酵母和霉菌计数的标准试验方法
发布日期: 2021-09-01
1.1 本试验方法涵盖酵母和霉菌的计数。本试验方法适用于电缆管道盐水、盐水固化皮革和皮肤以及预充电缆管道液体。 1.2 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.3 本标准并非旨在解决与其使用相关的所有安全问题(如有)。本标准的用户有责任在使用前制定适当的安全、健康和环境实践,并确定监管限制的适用性。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒(TBT)委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 4.1 本试验方法列举了耐盐酵母和霉菌,在本试验方法的条件下,这些酵母和霉菌等同于嗜盐生物。已知耐盐酵母和霉菌会对管道盐水中的皮革和皮肤造成损害。
1.1 This test method covers the enumeration of yeast and mold. This test method is applicable to raceway brine, brine-cured hides and skins, and pre-charge raceway liquor. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 4.1 This test method enumerates salt tolerant yeast and mold, and under the conditions of this test method those are equated as halophilic organisms. Salt tolerant yeast and mold have been known to cause damage to hides and skins in raceway brine.
分类信息
关联关系
研制信息
归口单位: D31.02
相似标准/计划/法规