Altın standart çözeltisi

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

 H₂O 'da 2000 mg/L COD
100 ml/paket

Merck Benzoic acid volumetric standard, secondary reference material for alkalimetry, traceabl e to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

1000 mg/L Cl
500 ml/paket

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

Merck Sulfur ICP standard traceable to SRM from NIST H SO in H O 10000 mg/l S Certipur®

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

Merck Water standard 1% Certified Reference Material for Karl Fischer Titration 1 g 10 mg H O Aquastar®

Merck Buffer solution (potassium dihydrogen phosphate/disodium hydrogen phosphate) traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

H₂O 'da 0.1000 mg/L SiO₂
100 ml/paket

Merck Strontium standard solution traceable to SRM from NIST Sr(NO ) in HNO 0.5 mol/l 1000 mg/l Sr Certipur®

1000 mg/L NO₂
500 ml/paket