COD solüsyon A

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) traceable to SRM from NIST and PTB pH 10.00 (25°C) Certipur®

Merck Potassium dichromate volumetric standard, secondary reference material for redox titrati on, traceable to NIST SRM Certipur® Reag. USP

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (25°C) Certipur®

1000 mg/L SO₄
500 ml/paket

H₂O 'da 1.50 mg/L F
100 ml/paket

Merck Lithium ICP Standard traceable to SRM from NIST LiNO in HNO 2-3% 1000 mg/l Li Certipur®

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

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

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

0.2 - 2.0 mg/L
8-16 test/paket

1000 mg/L CrO₄
500 ml/paket

H₂O 'da 0.400 mg/l NH₄-N
100 ml/paket