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

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

H₂O 'da 12.0 mg/L N
100 ml/paket

H₂O 'da 0.1000 mg/L SiO₂
100 ml/paket

1000 mg/I Mo
100 ml/paket

Merck Vanadium ICP standard traceable to SRM from NIST NH VO in HNO 15% 10000 mg/l V Certipur®

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

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

2 mol/l 1000mg/L Pt 
100 ml/paket

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (20°C) Certipur®

Merck Water Standard 0.01 % Certified Reference Material for Karl Fischer Titration 1 g 0.1 mg H O Aquastar®

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

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