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Precisionisimportanttoyou?Tous,too!Relyonournewstandardsolutionsforphotometricwateranalysismethods.

MerckMilliporeisadivisionof

Inorderforyoutogetexactmeasurementresultsfromwateranalysiswithoutextraeffort,Merckhasdevelopedcertified,dilutedstandardsolutionswhicharetraceabletoSRMfromNIST(NationalInstituteofStandardsandTechnology,USA).Thisensuresthattheverificationofyouranalysisisnowevenmorereliable!

Easy,FastandPrecise...Analyticalqualitycontrolwithcertified,dilutedstandardsolutionstraceabletoNIST.

Exactmeasurementresultsarecrucial–especiallywhenanalyzingwaterandwastewater.That’swhyournewcertifiedstandardsolutionsensurefast,reliableresultsthatareeasytoobtain.

Photometricrapidtestsforin-processcontrols-aswellasstandardmethodsincompliancewithDIN,ISO,EN,APHAorEPA-canbeusedtotestthequalityofwaterwithouthassle.

Forpreciseandreproducibleresults,themethodsemployedmustbecheckedregularly.Whenitcomestoanalyticalqualitycontrol,usersarede-pendantonstandardsolutionsthataretraceabletogloballyacceptedprimarystandards.

One-StopShoppingforPhotometricQualityControl

Mercknowoffersnewdiluted,certifiedstandardsolutionsinvaryingconcentrations.Ournewrangeoffersthemostimportantparametersforwaterandwastewateranalysis,suchasammonium,chemicaloxygendemand(COD),nitrate,nitrite,totalphosphorus,totalnitrogenandsulphate.

Thesenewstandardsolutionsenableexactverifi-cationofallstandardmethodsaswellasphoto-metricrapidtests(forex-ample,Spectroquant®

fromMerckorothertestkitsfromothersuppliers).Withthis,Merckoffersacompletesystemforphotometricanalysisthatisperfectlymatched–allfromonesource.

CertifiedStandardSolutions:Ready-to-UseandtraceabletoSRMfromNISTthankstocomparisonmeasurements

Arealbonusforyou–Merck’scertifiedstandardsolutionsforphotometricapplicationsaretraceabletoSRMfromNISTandarecompletelyready-to-use.Time-consumingdilutionisnolongernecessary–whicheliminatespossiblesourcesoferror.Thenewstandardsolutionsmakethemonitoringoftestresultssimpleandaccurate.Thelotcertificateforstandardsolutionsdocumentsallbatch-specificandanalysis-relevantdata,suchasexactconcentrationandexpandedmeasurementuncertainty.Mostimportantly,itprovidesuserswiththecertitudethatthediluted,certifiedstan-dardsolutionsfromMerckaretraceabledirectlytoprimarystandardreferencematerialsfromNIST.Thisensuresthatqualitystandardsarecomparableinternationally.

Thelotcertificateforeachstandardsolutioncanbeaccessedeasilyonlineatanytime:www.merck-chemicals.com/coa

OrderingInformationforStandardSolutions,CRM,100mlinH2OProduct Concentration Expanded

MeasurementOrd. No.

A Ammoniumstandardsolution 0.400mg/lNH4-N ±0.012mg/l 1.25022.0100Ammoniumstandardsolution 1.00mg/lNH4-N ±0.04mg/l 1.25023.0100Ammoniumstandardsolution 2.00mg/lNH4-N ±0.07mg/l 1.25024.0100Ammoniumstandardsolution 6.00mg/lNH4-N ±0.13mg/l 1.25025.0100Ammoniumstandardsolution 12.00mg/lNH4-N ±0.4mg/l 1.25026.0100Ammoniumstandardsolution 50.0mg/lNH4-N ±1.2mg/l 1.25027.0100

C CODstandardsolution 20.0mg/l ±0.7mg/l 1.25028.0100CODstandardsolution 100mg/l ±3mg/l 1.25029.0100CODstandardsolution 200mg/l ±4mg/l 1.25030.0100CODstandardsolution 400mg/l ±5mg/l 1.25031.0100CODstandardsolution 1,000mg/l ±11mg/l 1.25032.0100CODstandardsolution 2,000mg/l ±32mg/l 1.25033.0100CODstandardsolution 8,000mg/l ±68mg/l 1.25034.0100CODstandardsolution 50,000mg/l ±894mg/l 1.25035.0100

N Nitratestandardsolution 0.50mg/lNO3-N ±0.05mg/l 1.25036.0100Nitratestandardsolution 2.50mg/lNO3-N ±0.06mg/l 1.25037.0100Nitratestandardsolution 15.0mg/lNO3-N ±0.4mg/l 1.25038.0100Nitratestandardsolution 40.0mg/lNO3-N ±1mg/l 1.25039.0100Nitratestandardsolution 200mg/lNO3-N ±5mg/l 1.25040.0100Nitritestandardsolution 0.200mg/lNO2-N ±0.009mg/l 1.25041.0100Nitritestandardsolution 40.0mg/lNO2-N ±1.3mg/l 1.25042.0100Nitrogen(total)standardsolution 2.50mg/lN ±0.06mg/l 1.25043.0100Nitrogen(total)standardsolution 12.0mg/lN ±0.3mg/l 1.25044.0100Nitrogen(total)standardsolution 100mg/lN ±3mg/l 1.25045.0100

P Phosphorus(total)standardsolution 0.400mg/lPO4-P ±0.016mg/l 1.25046.0100Phosphorus(total)standardsolution 4.00mg/lPO4-P ±0.08mg/l 1.25047.0100Phosphorus(total)standardsolution 15.0mg/lPO4-P ±0.4mg/l 1.25048.0100

S Sulfatestandardsolution 40mg/lSO4 ±6mg/l 1.25050.0100Sulfatestandardsolution 125mg/lSO4 ±6mg/l 1.25051.0100Sulfatestandardsolution 400mg/lSO4 ±20mg/l 1.25052.0100Sulfatestandardsolution 800mg/lSO4 ±27mg/l 1.25053.0100

YourBenefitsataGlance

•Savestimeandreduceserrorsthankstoready-to-use,dilutedstandardsolutions

•TraceabletoSRMfromNIST

•Accuratemeasurementsthankstoinfor-mationonconcentrationandexpandedmeasurementuncertainty

•Lotcertificateswithcomprehensivequalitydocumentation

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ForfurtherinformationonMerckMilliporeandourproductscontact:

MerckKGaA64271Darmstadt,GermanyFax +49(0)6151/72-6080E-mail:environmental.analysis@merck.dewww.merck-chemicals.com/photometry

Weprovideinformationandadvicetoourcustomersonapplicationtechnologiesandregulatorymatterstothebestofourknowledgeandability,butwithoutobligationorliability.Existinglawsandregulationsaretobeobservedinallcasesbyourcustomers.Thisalsoappliesinrespecttoanyrightsofthirdparties.Ourinformationandadvicedonotrelieveourcustomersoftheirownresponsibilityforcheckingthesuitabilityofourproductsfortheenvisagedpurpose.Spectroquant®isatrademarkofMerckKGaA,Darmstadt,Germany.