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), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

Merck Thorium ICP standard traceable to SRM from NIST Th(NO ) in HNO 2-3% 10 mg/l Th Certipur®

10.0 mg/L TOC
100 ml/paket

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

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) Certipur®

Merck Buffer solutions traceable to SRM from NIST and PTB 10 x pH 4.01 (phthalate) 10 x pH .700 (phosphate) 10 x pH 10.00 (borate) pH 4.01/pH 7.00/pH 10.00(25°C) Certipur®

H₂O 'da 8000 mg/L COD
100 ml/paket

Merck Silicon ICP standard traceable to SRM from NIST SiO in NaOH 2 % 1000 mg/l Si Certipur®

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 Phosphorus ICP standard traceable to SRM from NIST H PO in H O 1000 mg/l P 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®

H₂O 'da 10.0 mg/L NO₃
100 ml/paket