| RelatedCategories | AnalyticalReagents,Analytical/Chromatography,Titration,VolumetricTitrationReagents |
| grade | Reag.PhEur,Reag.USP |
| packaging | 1linGlassbottle(1090991000) |
| density | 1.02?g/cm3(20?°C) |
| pH | 3.5(H?O,20?°C) |
| shippedin | ambient |
| storagetemp. | Storeat+15°Cto+25°C. |
| specifications | VolumetricsolutioninaccordancetothechapterreagentsofthePharmacopoeia(PhEur,USP). |
| | Amount-of-substanceconcentration:0.05000mol/l |
| | Theconcentrationofthisvolumetricsolutionwasdeterminedwithsodiumthiosulfatestandardsolution(articlenumber1.09147)standardizedagainstvolumetricstandardpotassiumiodate(articlenumber1.02404).Thedeterminedtiterat20°Cwas1.000withanexpandedmeasurementuncertaintyof±0.003(k=2coveragefactorfor95%coverageprobABIlity).ThecertifiedvalueistraceabletoprimarystandardNISTSRM136f(NIST:NationalInstituteofStandardsandTechnology,USA)bymeansofvolumetricstandardpotassiumiodate,measuredintheaccreditedcalibrationlaboratoryofMerckKGaA,Darmstadt,GermanyinaccordancetoDINENISO/IEC17025. |