您的位置: 标准下载 » 国际标准 » ISO 国际标准 »

ISO 3358-1979 工业用三聚磷酸钠和焦磷酸钠各种形式磷酸盐的柱色谱分离和测定

作者:标准资料网 时间:2024-05-19 04:24:25  浏览:8059   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Sodiumtripolyphosphateandsodiumpyrophosphateforindustrialuse;Separationbycolumnchromatographyanddeterminationofthedifferentphosphateforms
【原文标准名称】:工业用三聚磷酸钠和焦磷酸钠各种形式磷酸盐的柱色谱分离和测定
【标准号】:ISO3358-1979
【标准状态】:作废
【国别】:国际
【发布日期】:1979-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:化学制品;焦磷酸盐;钠;柱色谱分析;三聚磷酸纳;化学分析和试验;焦磷酸钠;化学分析;氧化磷;正磷酸盐;含量测定;柱色谱法
【英文主题词】:pyrophosphates;columnchromatography;chemicalanalysisandtesting;orthophosphates;sodium;chemicals;determinationofcontent
【摘要】:Thedeterminationoforthophosphateisnotpossibleifthecontentislowerthan0.1%(m/m).Tetrametaphosphatesandpentametaphosphatesarenotusuallypresentincommercialproducts.Specifiestheabsorptionofthephosphateanionsonananionicion-exchangeresin.Elutionwithpotassiumchloridesolutionsofincreasingconcentrations.CalculationoftheP2O5contentinthedifferenteluatevolumesbymeansofaconversionfactortothecorrespondingform.Theannexgivesaphotometricmethodofanalysisofeluates.Theprincipleconsistsinformationofmolybdatophosphateinadilutesulphuricacidmediumofeluate,reductionwithascorbicacidandphotometricmeasurementofthereducedcomplexatawavelengthofabout650nm.Typicalion-exchangecolumnsareshowninfigures.CancelsandreplacesthefirsteditionofISO3358/1976.
【中国标准分类号】:G10
【国际标准分类号】:71_060_50
【页数】:10P;A4
【正文语种】:英语


下载地址: 点击此处下载
MIL-C-19803F (AMENDMENT 6), MILITARY SPECIFICATION: CONVERTER, LIQUID OXYGEN, 10-LITER, GCU-24A/A (02 APR 2001) [SUPERSEDING MIL-C-27423B] [S/S BY MIL-DTL-19803G]., This amendment forms a part of MIL-C-19803F, dated 24 March 1982, and is approvedfor use by all Departments and Agencies of the Department of Defense.【英文标准名称】:Sterilehypodermicsyringesforsingleuse-Auto-disablesyringesforfixeddoseimmunization
【原文标准名称】:一次性使用无菌皮下注射器.第3部分:固定剂量免疫接种用自动报废注射器
【标准号】:BSENISO7886-3-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2006-01-23
【实施或试行日期】:2006-01-23
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;尺寸;加标签;医疗设备;医疗产品;医学科学;性能;电动输液器;一次性注射器;规范(验收);无菌设备;注射器
【英文主题词】:Definitions;Dimensions;Labelling;Medicaldevices;Medicalequipment;Medicalproducts;Medicalsciences;Performance;Powerinfusionapparatus;Singleusesyringes;Specification(approval);Sterileequipment;Syringes
【摘要】:ThispartofISO7886specifiesthepropertiesandperformanceofsterilesingle-usehypodermicsyringeswithorwithoutneedle,madeofplasticmaterialsandstainlesssteelandintendedfortheaspirationofvaccinesorfortheinjectionofvaccinesimmediatelyafterfilling.Upondeliveringafixeddoseofvaccine,thesyringeisautomaticallyrenderedunusable.ThispartofISO7886doesnotspecifythedesignoftheauto-disablefeature,whichislefttothediscretionofthemanufacturer.ThispartofISO7886isnotapplicabletosyringesforusewithinsulin(specifiedinISO8537),syringesmadeofglass(specifiedinISO595),syringesforusewithpower-drivensyringepumps(specifiedinISO7886-2),auto-disablesyringesforvariabledosedeliveryandsyringesdesignedtobeprefilled.Itdoesnotaddresscompatibilitywithinjectionfluids/vaccines.NOTEAfourthpartofISO7886isbeingpreparedtocoversyringeswithreusepreventionfeature.
【中国标准分类号】:C31
【国际标准分类号】:11_040_25
【页数】:26P.;A4
【正文语种】:英语