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

Merck Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0. 001 mol/l) Certipur®

H₂O 'da 10.0 mg/L Clˉ
100 ml/paket

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

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

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

Merck Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67 (25°C) Certipur®

Merck Buffer solution (potassium dihydrogen phosphate/disodium hydrogen phosphate) traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

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

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

Merck Buffer solution (di-sodium hydrogen phosphate/ potassium dihydrogen phosphate), colour:yellow traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

Merck Buffer solution (citric acid/sodium hydroxide) traceable to SRM from NIST and PTB pH 5.00 (25°C) Certipur®

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