Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), coloured: blue traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

Merck Calcium carbonate volumetric standard, secondary reference material for complexometr y, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP

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

H₂O 'da 0.200 mg/L F 
100 ml/paket

100 - 1500 mg/L; 2.30 ml her bir ölçüm için Spectroquant®
1 adet/paket 495 ml

Merck Buffer solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (20°C) Certipur®

Merck Buffer Solution (boric acid/potassium chloride/sodium hydroxide) colour coded: yellow, tr aceable to NIST and PTB pH 10.00 (20°C) Certipur®

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

0.5 mol/l 1000 mg/L V 
100 ml/paket

1000 mg/L SO₄
500 ml/paket

2 mol/l 1000 mg/L Au 
500 ml/paket

0.5 mol/l 1000 mg/L Ca
500 ml/paket

Merck Potassium ICP standard traceable to SRM from NIST KNO in HNO 2-3% 1000 mg/l K Certipur®