Merck Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=1. 0 mol/l) Certipur®
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Merck Calcium ICP Standard traceable to SRM from NIST Ca(NO ) in HNO 2-3% 10000 mg/l Ca Certipur®
10 - 150 mg/L; 2.85 ml her bir ölçüm için Spectroquant®
1 adet/paket 495 ml
Merck Mercury ICP standard traceable to SRM from NIST Hg(NO ) in HNO 10% 1000 mg/l Hg Certipur®
Merck Zirconium standard solution traceable to SRM from NIST ZrCl in HCl 2 mol/l 1000 mg/l Zr Certipur®
Merck Water Standard 0.01 % Certified Reference Material for Karl Fischer Titration 1 g 0.1 mg H O Aquastar®
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/potassium chloride/sodium hydroxide) traceable to SRM from NIST and PTB pH 9.00 (25°C) Certipur®
Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (20°C) Certipur®