Kadmiyum standart çözeltisi

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) colour: red traceable to SRM from NIST and PTB pH 4.00 (20 °C) Certipur®

500 - 10000 mg/L; 2.20 ml her bir ölçüm için Spectroquant®
1 adet/paket 495 ml

0.5 mol/l 1000 mg/L Fe
500 ml/paket

 H₂O 'da 400 mg/L COD
100 ml/paket

Alüminyum, Kurşun, Nikel, Çinko fotometrik metodların kalite kontrolleri için

Merck Indium standard solution traceable to SRM from NIST In (NO ) in HNO 0.5 mol/l 1000 mg/l In Certipur®

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) traceable to SRM from NIST and PTB pH 4.00 (25°C) Certipur®

H₂O 'da 250 mg/L Clˉ
100 ml/paket

Merck Europium ICP standard traceable to SRM from NIST Eu O in HNO 2-3% 1000 mg/l Eu Certipur®

Merck Cesium standard solution traceable to SRM from NIST CsNO in HNO 0.5 mol/l 1000 mg/l Cs Certipur®

Merck Benzoic acid volumetric standard, secondary reference material for alkalimetry, traceabl e to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

Merck Iron ICP standard traceable to SRM from NIST Fe(NO ) in HNO 2-3% 1000 mg/l Fe Certipur®