Merck Tin ICP standard traceable to SRM from NIST SnCl in HCl 7% 1000 mg/l Sn Certipur®

COD, nitrat, fosfat fotometrik metodların kalite kontrolleri için Spectroquant®
1 adet/paket

0.5 mol/l 1000 mg/L Cd 
100 ml/paket

1000 mg/L SO₄
500 ml/paket

Merck Buffer Solution (di-sodium hydrogen phosphate/sodium hydroxide) traceable to SRM from NIST und PTB pH 12.00 (25°C) Certipur®

Merck Potassium iodate volumetric standard, secondary reference material for iodometry, trace able to NIST SRM Certipur®

H₂O 'da 2.00 mg/l NH₄-N
100 ml/paket

Amonyum, klorür, COD, nitrat, fosfat, sülfat fotometrik metodların kalite kontrolleri için Spectroquant®
1 adet/paket

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

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

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

Merck Certified sec. standard reference buffer solution di-sodium tetraborate decahydrate, directly traceable to primary SRM from NIST/PTB pH(S) = 9.18 (25°C) Certipur®

1000 mg/L CN
500 ml/paket