Merck Gold ICP standard traceable to SRM from NIST H(AuCl ) in HCl 7% 1000 mg/l Au Certipur®

H₂O 'da 1.00 mg/L F
100 ml/paket

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

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

Merck Scandium ICP standard traceable to SRM from NIST Sc O in HNO 7% 1000 mg/l Sc Certipur®

Merck Zinc volumetric standard, secondary reference material for complexometry, traceable to NIST SRM Certipur® Reag. Ph Eur

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (25°C) Certipur®

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

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 Silicon ICP standard traceable to SRM from NIST (SiO in NaOH 4 %) 10000 mg/l Si Certipur®

H₂O 'da 8000 mg/L COD
100 ml/paket

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