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

Merck di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.18 (25°C) Certipur®

H₂O 'da 200 mg/L TOC 
100 ml/paket

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

Merck Silicon ICP standard traceable to SRM from NIST (SiO in NaOH 4 %) 10000 mg/l Si Certipur®

Merck Titanium ICP standard traceable to SRM from NIST (NH ) TiF in H O 1000 mg/l Ti Certi pur®

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

 H₂O 'da 100 mg/L TOC
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 Rhenium ICP standard traceable to SRM from NIST NH ReO in H O 1000 mg/l Re Certipur®

H₂O 'da 100 mg/L N
100 ml/paket

H₂O 'da 50.0 mg/L TOC
100 ml/paket

Merck Tantalum ICP standard traceable to SRM from NIST (NH ) TaF in H O 1000 mg/l Ta Certipur®