【英文标准名称】:StandardTestMethodforBrineSaturationValueofCured(Salt-Preserved)HidesandSkins
【原文标准名称】:盐保存(腌制)兽皮卤水饱和度的试验方法
【标准号】:ASTMD7476-2008
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ash;brinesaturation;curing;hide;moisture;skin
【摘要】:Thistestmethodisintendedtoevaluatewhethersufficientsalt(NaCl)hasbeenretainedbythehidesorskinstoslowdowndegradationbybacterial(enzymatic)action,andtoslowdownautolysisbyinherentenzymaticaction,untiltheyarepreservedbyatanningprocess.Note28212;Osmosisoccursduringbrinecuringbecausemoistureisdrawnoutbysaltthroughtheepidermis.Lowmoisture(x003C;40%)inthehidesdoesnotnecessarilyindicatepoorcure.Ahidemayhavelowmoistureduetoosmosis;toincreasedfatcontent;ortodryingoutconditions.Inallinstancesthehideswouldstillshowadequatecureifthemoisturewassaturatedtoapproximately85%salt,becausetheash:moistureratiowouldbeadequate.1.1Thistestmethodcoverstheestimationofdegreeofsaturationofthebrinecontentofcured(salt-preserved)hidesandskinscontaining40%ormoremoisture.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【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