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

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

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

1000 mg/L B
100 ml/paket

Merck Antimony ICP standard traceable to SRM from NIST Sb O in HCl 7% 1000 mg/l Sb Certipur®

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

1000 mg/I Mo
100 ml/paket

Merck Arsenic ICP standard traceable to SRM from NIST H AsO in HNO 2-3% 1000 mg/l As Certipur®

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

Merck Beryllium ICP standard traceable to SRM from NIST Be O(C H O ) in HNO 2- 3% 1000 mg/l Be Certipur®

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

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

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