Amonyum standart çözeltisi CRM

Merck Certified sec. standard reference buffer solution potassium tetraoxalate dihydrate, directl y traceable to primary SRM from NIST/PTB pH(S) = 1.67 (25°C) Certipur®

Alüminyum, Kurşun, Nikel, Çinko fotometrik metodların kalite kontrolleri için

H₂O 'da 40 mg/L SO₄
100 ml/paket

0.2 - 2.0 mg/L
8-16 test/paket

Merck Erbium ICP standard traceable to SRM from NIST Er O in HNO 2-3% 1000 mg/l Er Certipur®

Merck Buffer solution (Potassium dihydrogen phosphate, di-sodium hydrogen phophate) traceable to SRM from NIST and PTB pH 6.86(25°C) Certipur®

0.5 mol/l 1000 mg/L Fe
100 ml/paket

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) traceable to SRM from NIST and PTB pH 4.00 (25°C) Certipur®

Merck Water Standard 0.01 % Certified Reference Material for Karl Fischer Titration 1 g 0.1 mg H O Aquastar®

H₂O 'da 0.50 mg/L NO₃-N
100 ml/paket

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

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