Merck Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=1. 0 mol/l) Certipur®

Merck Sodium ICP standard traceable to SRM from NIST NaNO in HNO 2-3% 10000 mg/l Na Certipur®

Merck Boron ICP standard traceable to SRM from NIST, H BO in H O 1000 mg/l B Certipur®

Merck Potassium dichromate volumetric standard, secondary reference material for redox titrati on, traceable to NIST SRM Certipur® Reag. USP

Merck Selenium ICP standard traceable to SRM from NIST SeO in HNO 2-3% 1000 mg/l Se Certipur®

2 mol/l 1000 mg/L Sb
500 ml/paket

500 - 10000 mg/L; 1.80 ml her bir ölçüm için Spectroquant®
1 adet/paket 495 ml

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

Merck Certified sec. standard reference buffer solution potassium dihydrogen phosphate/di- sodium hydrogen phosphate, directly traceable to primary SRM from NIST/PTB pH(S) = 7.41 (25°C) Certipur®

Merck Buffer solution (boric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 8.00 (25°C) Certipur®

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

Merck Strontium standard solution traceable to SRM from NIST Sr(NO ) in HNO 0.5 mol/l 1000 mg/l Sr Certipur®

Merck Nickel standard solution traceable to SRM from NIST Ni(NO ) in HNO 0.5 mol/l 1000 mg/l Ni Certipur®