Properties:
RelatedCategories | AdditionalStandards,AnalyticalStandards,Analytical/Chromatography,ProficiencyTesting,WaterSupply/DrinkingWaterInorganics, |
packaging | pkgof1 kit |
mfr.no. | RTC,PEI-017K |
Description:
Generaldescription
ThisproficiencytestingsampleisproducedinaccordancewithISO/IEC17043:2010.Allinformationregardingtheuseofthismaterialcanbefoundinthereportingpacketsuppliedforeachsample.
OtherNotes
Proficiencytestingsamplesarepresentedassingleblind.Novaluesforthesamplesarereleaseduntilthetestingperiodconcludes.Valuesofanalytesvarylottolot.
PProficiencyTestingSchedule(2017-2018)
DrinkingWater
WS17-1January18-March3,2017
WS17-2March29-May12,2017
WS17-3July12-August25,2017
WS17-4September27-November10,2017
WS18-1January17-March2,2018
WS18-2March28-May11,2018
WS18-3July11-August24,2018
WS18-4September26-November9,2018
Quick-TurnStudy-(non-scheduledproficiencytestthatisavailableatanytime)
PreparationNote
ThisPTsamplePE1512-20MLandPE1569-20MLarepackagedasa20mLconcentrates.
Thesolventforthissampleiswater.
ThePTsamplehasbeenautoclavedforpreservation.
Samplepreparation
Allowtosamplestoreach20degreesCelsiuspriortopreparation.
Partiallyfilla1000-mLvolumetricflaskwithreagent-gradewater(near20degreesC).
OpenampulePE1512-20ML(becarefultoavoidcutsonglass)andtransfer10.0mLofconcentratetothevolumetricflask.
OpenampulePE1569-20MLandtransfer10.0mLofconcentratetothesamevolumetricflask.
Filltheflasktovolumewithreagent-gradewaterandmixwell.Thesampleisnowreadyforimmediateanalysis.
Nofiltrationisnecessary.
ThesolutionshouldbefirstanalyzedforpHandthenforalkalinity.
Safety:
RIDADR
NONHforallmodesoftransport