COD (KOİ) standart çözeltisi CRM

H₂O 'da 100 mg/L COD
100 ml/paket

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

1000 mg/L CrO₄
500 ml/paket

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

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

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

H₂O 'da 800 mg/L SO₄
100 ml/paket

H₂O 'da 15.0 mg/L PO₄-P (toplam)
100 ml/paket

H₂O 'da 0.200 mg/L F 
100 ml/paket

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (20°C) Certipur®

H₂O 'da 10.0 mg/L NO₃
100 ml/paket

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide solution), traceable to S RM from NIST and PTB pH 9.00 (25°C) Certipur®