Merck Calcium ICP Standard traceable to SRM from NIST Ca(NO ) in HNO 2-3% 10000 mg/l Ca Certipur®

Merck Buffer Solution (citric acid, sodium hydroxide, hydrogen chloride) traceable to SRM from NIST and PTB pH 2.00 (25°C) Certipur®

Merck Zirconium ICP standard traceable to SRM from NIST ZrCl in HCl 7% 10000 mg/l Zr Cer tipur®

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

Merck Buffer Solution (boric acid/potassium chloride/sodium hydroxide) colour coded: yellow, tr aceable to NIST and PTB pH 10.00 (20°C) Certipur®

1000 mg/L SO₄
500 ml/paket

Merck Sodium hydrogen carbonate/sodium carbonate certified secondary standard reference material for Ph measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 10.01 (25°C) Certipur®

Merck Potassium ICP standard traceable to SRM from NIST KNO in HNO 2-3% 10000 mg/l K Certipur®

H₂O 'da 50 mg/L Clˉ 
100 ml/paket

H₂O 'da 0.200 mg/L F 
100 ml/paket

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (25°C) Certipur®

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

Merck Buffer Solution (di-sodium hydrogen phosphate/sodium hydroxide) traceable to SRM from NIST und PTB pH 12.00 (25°C) Certipur®