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

Merck di-Sodium oxalate volumetric standard, secondary reference material for redox titration, tra ceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP

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

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

Merck Sodium ICP standard traceable to SRM from NIST NaNO in HNO 2-3% 1000 mg/l Na Certipur®

10x1adet 1 litreye tamamlanır.
210±20 mg/L
1 test/paket

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (25°C) Certipur®

1000 mg/L NH₄ 
500 ml/paket

Merck Sulfur ICP standard traceable to SRM from NIST H SO in H O 1000 mg/l S Certipur®

Merck Water standard 1% Certified Reference Material for Karl Fischer Titration 1 g 10 mg H O Aquastar®

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

Merck Calcium ICP Standard traceable to SRM from NIST Ca(NO ) in HNO 2-3% 10000 mg/l Ca Certipur®

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