Merck Potassium iodate volumetric standard, secondary reference material for iodometry, trace able to NIST SRM Certipur®

Merck Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

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

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

H₂O 'da 200 mg/L TOC 
100 ml/paket

1000 mg/L Cl
500 ml/paket

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

Amonyum, klorür, COD, nitrat, fosfat, sülfat fotometrik metodların kalite kontrolleri için Spectroquant®
1 adet/paket

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

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

Merck Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), colour: green traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

Merck Buffer solution (di-sodium tetraborate) traceable to SRM from NIST and PTB pH 9.18 (25°C) Certipur®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) colour coded: blue, trac eable to NIST and PTB pH 10.00 (25°C) Certipur®