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

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

1000 mg/L B
500 ml/paket

Merck Sodium tartrate dihydrate Certified Reference Material for Karl Fischer Titration 15.66% Aquastar®

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

Merck Calcium carbonate volumetric standard, secondary reference material for complexometr y, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP

Merck Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (25°C) Certipur®

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

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

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

1000 ± 10 mg/L TOC
1 adet/ paket 100 ml

Merck Selenium standard solution traceable to SRM from NIST SeO in HNO 0.5 mol/l 1000 mg/l Se Certipur®

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