Merck Lithium ICP Standard traceable to SRM from NIST LiNO in HNO 2-3% 1000 mg/l Li Certipur®

Merck Tellurium ICP standard traceable to SRM from NIST H TeO in HNO 2- 3% 1000 mg/l Te Certipur®

Merck Potassium hydrogen tartrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 3.63 / pH(S) = 3.55 (25°C) Certipur®

Fotometreler için Kontrol Solüsyonları(445/446 nm, 520/525 nm, ve 690 nm) Spectroquant®
1 adet/paket

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 Chromium ICP standard traceable to SRM from NIST Cr(NO ) in HNO 2-3% 10000 mg/l Cr Certipur®

H₂O 'da 0.400 mg/l NH₄-N
100 ml/paket

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (25°C) Certipur®

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

Merck Rhodium standard 10 mg/l (Rhodium(III) nitrate in nitric acid 0.5 mol/l) internal standard for ICP-MS

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

Merck Buffer solution (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®

Merck Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate) traceable to SRM from NIST and PTB pH 6.88 (20° C) Certipur®