Merck Sodium carbonate volumetric standard, secondary reference material for acidimetry, traceable to NIST SRM Certipur®

Merck Potassium dihydrogen phosphate/ di-sodium hydrogen phosphate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=6.86 /pH(S)=7.41 (25°C) Certipur®

Merck Lactose Standard 5 % Certified Reference Material for Karl Fischer Titration Aquastar®

Merck Iron(II) ethylenediammonium sulfate Volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur

H₂O 'da 50.0 mg/l NH₄-N
100 ml/paket

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

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

0.5 mol/l 1000 mg/L Ca
100 ml/paket

Fotometreler için Kontrol Solüsyonları(445/446 nm, 520/525 nm, ve 690 nm) Spectroquant®
1 adet/paket

Merck Mercury ICP standard traceable to SRM from NIST Hg(NO ) in HNO 10% 1000 mg/l Hg Certipur®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (20°C) Certipur®

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

0.5 mol/l 1000 mg/L V 
100 ml/paket