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ASTM D6715-2008 用盐保存(腌干)兽皮的理化检测取样和准备的标准实施规程

ASTM D6715-2008 用盐保存(腌干)兽皮的理化检测取样和准备的标准实施规程

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【英文标准名称】: Standard Practice for Sampling and Preparation of Salt Preserved (Cured) Hides and Skins for Chemical and Physical Tests
【原文标准名称】: 用盐保存(腌干)兽皮的理化检测取样和准备的标准实施规程
【标准号】: ASTM D6715-2008
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2008
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: D31.02
【标准类型】: (Practice)
【标准水平】: ()
【中文主题词】:
【英文主题词】: chemical tests; cured hides; lot; physical tests; preparation; salt-preservation; salted hides; sampling; unit; Cured leather hides; Random sampling; Salt-preserved (cured) leather hides; Sample preparation; Sampling leather materials/applications
【摘要】: The sampling procedures described in this practice have been designed to ensure random sampling of salt-preserved hides and skins for physical and chemical tests. Salt-preserved hides are natural products and as such are subject to extensive variability. The physical and chemical properties vary considerably depending on location on that specific hide, side, or skin from which the test sample is taken. Random sampling of specimens from a predefined location and orientation minimizes test bias and variability. This practice defines these parameters. In general, tests carried out upon salt-preserved hides require composite lot samples generated using the preparation methods described within this practice. Subsequent tests typically require those composite samples to be in two forms: Expressed Hide Fluid8212;where residual hide fluid is pressed from each de-haired and cleaned individual hide sample, then equal volumes of each extracted fluid are blended together to create the composite sample. Hide Material Sample8212;where equal quantities of de-haired and cleaned hide material are blended together to create a representative composite sample.1.1 This practice covers the sampling and preparation of salt-preserved (cured) hides for physical and chemical tests. The hides or skins to be tested are grouped into lots. Each lot is randomly sampled in such a manner as to produce a representative sample of that lot. This lot sample may be used to determine compliance of the lot with applicable specification requirements, and on the basis of results, the lot may be accepted or rejected in its entirety. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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 and health practices and determine the applicability of regulatory limitations prior to use.
【中国标准分类号】: Y45
【国际标准分类号】: 59_140_20
【页数】: 3P.;A4
【正文语种】: 英语

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