MIL-H-18766 (NOTICE 2)

作者:标准资料网 时间:2024-05-05 16:14:38   浏览:9954   来源:标准资料网
下载地址: 点击此处下载
MIL-H-18766 (NOTICE 2), MILITARY SPECIFICATION: HYDRAULIC EQUIPMENT, ORDNANCE SHIPBOARD (GENERAL SPECIFICATION FOR) (30 SEP 1977) [NO S/S DOCUMENT]., Specification MIL-H-18766(NOrd), dated 24 June 1955, canceledby NOTICE 1, dated 4 Feb 1975, is hereby reinstated.Beneficial cements regarding this document should be addressedto: Commanding Officer, Naval Ordnance Station, Code 611, Indian Head,MD 20640.
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforMeltingPointofPetroleumWax(CoolingCurve)
【原文标准名称】:石油蜡熔点的标准试验方法(冷却曲线)
【标准号】:ASTMD87-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.10.0A
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coolingcurve;meltingpoint;petroleumwax;wax;Coolingcharacteristics/profiles;Coolingcurveanalysis;Meltingpoint;Petroleumwax
【摘要】:Meltingpoint(coolingcurve)isatestthatiswidelyusedbywaxsuppliersandconsumers.itisparticularlyappliedtopetroleumwaxesthatareratherhighlyparaffinicorcrystallineinnature.Aplateauoccurswithspecimenscontainingappreciableamountsofhydrocarbonsthatcrystallizeatthesametemperature,givingupheatoffusion,thustemporarilyretardingthecoolingrate.Ingeneral,petroleumwaxeswithlargeamountsofnon-normalhydrocarbonsorwithamorphoussolidformswillnotexhibitaplateau.1.1Thistestmethodcoversthedeterminationofthemeltingpoint(coolingcurve)ofpetroleumwax.Itisunsuitableforwaxesofthepetrolatumgroup,microcrystallinewaxes,orblendsofsuchwaxeswithparaffinwaxorscalewax.Note18212;Foradditionalmethodsusedfortestingpetroleumwaxes,seeTestMethodD127andTestMethodD938.Resultsmaydiffer,dependingonthemethodused.Forpharmaceuticalpetrolatum,TestMethodD127usuallyisused.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E42
【国际标准分类号】:75_140
【页数】:5P.;A4
【正文语种】:英语