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特別 提示
| RelatedCategories | AdditionalStandards,AnalyticalStandards,Analytical/Chromatography,DMRQAPTs,ProficiencyTesting, |
| description | Concentratefordilutionto1L |
| packaging | ampuleof20 mL |
| mfr.no. | RTC,PEI-240 |
| concentration | innitricacid |
ThisproficiencytestingsampleisproducedinaccordancewithISO/IEC17043:2010.Allinformationregardingtheuseofthismaterialcanbefoundinthereportingpacketsuppliedforeachsample.
Proficiencytestingsamplesarepresentedassingleblind.Novaluesforthesamplesarereleaseduntilthetestingperiodconcludes.Valuesofanalytesvarylottolot.
ProficiencyTestingSchedule(2017-2018)
Wastewater
WP17-1January18-March3,2017
WP17-2March29-May12,2017
WP17-3AMay17-June30,2017
WP17-3BJuly12-August25,2017
WP17-4September27-November10,2017
WP17-5November22-January5,2018
WP18-1January17-March2,2018
WP18-2March28-May11,2018
WP18-3AMay16-June29,2018
WP18-3BJuly11-August24,2018
WP18-4September26-November9,2018
WP18-5November21-January4,2019
Quick-TurnStudy-(non-scheduledproficiencytestthatisavailableatanytime)
ThisPTsampleispackagedasa20mLconcentrate.
Thesolventforthissampleis5%nitricacidbyvolumeinDIwater.Thisalsoactsasthepreservative
SamplePreparation
Partiallyfilla1000mLvolumetricflaskwithreagent-gradewater(near20oC)andadd1mLoftrace-metal-gradenitricacid.
OpenampulePE1205-20ML(becarefultoavoidcutsonglass)andtransfer10.0mLofconcentratetothevolumetricflask.
Filltheflasktovolumewithreagent-gradewaterandmixwell.
Thesampleisnowreadyforimmediateanalysis.
Areagent-gradeblankshouldbeanalyzedconcurrentlyforbackgroundcorrection.thewaterblankshouldbemadetomatchtheacidmatrixofthestandardsandsamples.
NOTE:The0.15%v/vnitricacidspecificationisaminimum;theamountandtypeofacidmaybealteredtoroutineanalyticalproceduresifneeded.
NOTE:Mercuryispresentasinorganicmercury.
GHS07
