Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) traceable to SRM from NIST and PTB pH 4.00 (25°C) Certipur®

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

 H₂O 'da 20.0 mg/L COD
100 ml/paket

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

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

Merck Iron ICP standard traceable to SRM from NIST Fe(NO ) in HNO 10% 10000 mg/l Fe Certipur®

Alüminyum, Kurşun, Nikel, Çinko fotometrik metodların kalite kontrolleri için

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

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

Merck di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.18 (25°C) Certipur®

Merck Buffer solutions (boric acid/potassium chloride/sodium hydroxide), traceable to SRM fro m NIST and PTB pH 11.00 (25°C) Certipur®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) colour coded: blue, trac eable to NIST and PTB pH 10.00 (25°C) Certipur®

Merck Scandium standard solution traceable to SRM from NIST Sc O in HNO 1 mol/l 1000 mg/l Sc Certipur®