Merck Buffer solution (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®

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

Merck Zirconium ICP standard traceable to SRM from NIST ZrCl in HCl 7% 1000 mg/l Zr Certi pur®

H₂O 'da 0.1000 mg/L SiO₂
100 ml/paket

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

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

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

Merck Water standard oil Certified Reference Material for Karl Fischer Titration (oil matrix 15- 30 ppm H2O) Aquastar®

Merck Tungsten ICP standard traceable to SRM from NIST (NH ) WO in H O 1000 mg/l W Certipur®

2 mol/l 1000 mg/L Au 
500 ml/paket

Merck Uranium ICP standard traceable to SRM from NIST UO (NO ) in HNO 2-3% 10 mg/l U Certipur®

Merck Chromium ICP standard traceable to SRM from NIST Cr(NO ) in HNO 2-3% 10000 mg/l Cr Certipur®

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