Merck Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

2 mol/l 1000 mg/L Au 
500 ml/paket

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

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

1000 mg/L B
100 ml/paket

Merck Sodium standard solution traceable to SRM from NIST NaNO in HNO 0.5 mol/l 1000 mg/l Na Certipur®

1000 mg/I Mo
500 ml/paket

Merck Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67 (25°C) Certipur®

H₂O 'da 400 mg/L SO₄ 
100 ml/paket

Merck Water standard oil Certified Reference Material for Karl Fischer Titration (oil matrix 15- 30 ppm H2O) Aquastar®

Merck Buffer solution (boric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 8.00 (20°C) Certipur®

500 - 10000 mg/L; 2.20 ml her bir ölçüm için Spectroquant®
1 adet/paket 495 ml

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