ECNumber238-878-4
Properties:
| RelatedCategories | AdditionalStandards,AnalyticalStandards,Analytical/Chromatography,ProficiencyTesting,Solids/SoilsHazardousWasteInorganics, |
| packaging | ampuleof1×30 g |
| mfr.no. | RTC,SPE-102 |
| matrix | soil |
Description:
Generaldescription
ThisproficiencytestingsampleisproducedinaccordancewithISO/IEC17043:2010.Allinformationregardingtheuseofthismaterialcanbefoundinthereportingpacketsuppliedforeachsample.
OtherNotes
Proficiencytestingsamplesarepresentedassingleblind.Novaluesforthesamplesarereleaseduntilthetestingperiodconcludes.Valuesofanalytesvarylottolot.
ProficiencyTestingSchedule(2017-2018)
Soils
LPTP17-S1February1-March17,2017
LPTP17-S2April12-May26,2017
LPTP17-S3July26-September8,2017
LPTP17-S4October11-November24,2017
LPTP18-S1January31-March16,2018
LPTP18-S2April11-May25,2018
LPTP18-S3July25-September7,2018
LPTP18-S4October10-November23,2018
Quick-TurnStudy-(non-scheduledproficiencytestthatisavailableatanytime)
PreparationNote
ThePTsamplecontainsacid-solublesulfide.Afortifyingspikeandablanksoilareprovided.
ThePTsamplehasbeensterilized.
Recommendedstorageconditionis4ºC.
Theevaluationofresultswillbebasedonstudystatisticsforequivalentmethods.Thissampleisnotsuitableforreactivecyanide/sulfidemethods.
Onthereportform,pleaselistthedeterminativetechniqueusedforanalysisofthissample.Reportyourresultsbasedon25gramsofsoil,asmg/Kgofsoil.Donotcorrecttheanalyticalresultsformatrixspikerecoverybias.Ifmultiplemethodsareusedforpreparationand/oranalysis,aseparatereportformmustbeusedforeachpreparationandanalysismethod.
SamplePreparation
Thesoilistobeextractedandanalyzedusinganappropriateextractionandanalyticalmethodforsulfide,assuminga25gsamplewillcontainsufficientsulfidefordetermination.Sulfideistemperatureandlightsensitive.Minimizecontacttotheseconditions.ThesamplehasbeenbufferedtostABIlizesulfide.SomemethodsmayrequireapHadjustmentto7priortoanalysis.
Weigh25goftheblanksoilandplaceinextractionvessel.
Openampuleandadd10mLofsolutiondirectlytotheblanksoil.Thesampleisnowreadyforimmediateanalysis.
ScreeningInstructions:Screensampleaccordingtoyournormalmethod.Reportasa“<”or“>”andyourscreenconcentrationonthereportform.
Safety:
GHS08
