Merck Sodium chloride volumetric standard, secondary reference material for argentometry, tra ceable to NIST SRM Certipur® Reag. Ph Eur,Reag.USP

Merck Silicon standard solution traceable to SRM from NIST acidic, (NH ) SiF in H O 1000 mg/l Si Certipur®

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

0.2 - 2.0 mg/L
8-16 test/paket

H₂O 'da 0.50 mg/L NO₃-N
100 ml/paket

Merck Thallium ICP standard traceable to SRM from NIST TlNO in HNO 2-3% 1000 mg/l Tl Certipur®

H₂O 'da 200 mg/L NO₃-N
100 ml/paket

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

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

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

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

2 mol/l 1000 mg/L Sn
100 ml/paket

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