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

H₂O 'da 1.00 mg/L F
100 ml/paket

1000 mg/L B
100 ml/paket

Amonyum, COD, Azot fotometrik metodların kalite kontrolleri için Spectroquant®
1 adet/paket

2 mol/l 1000mg/L Pt 
100 ml/paket

Merck Lead ICP standard traceable to SRM from NIST Pb(NO ) in HNO 2-3% 10000 mg/l Pb Certipur®

1000 mg/L CN
500 ml/paket

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

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

H₂O 'da 0.500 mg/L SiO₂
100 ml/paket

Merck Vanadium ICP standard traceable to SRM from NIST NH VO in HNO 15% 10000 mg/l V Certipur®

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

Merck Mercury ICP standard traceable to SRM from NIST Hg(NO ) in HNO 10% 1000 mg/l Hg Certipur®