Hanna-instruments HI 93710 Bedienungsanleitung PDF herunterladen (Seite 43)

INTERFERENCES

Interference may be caused by:

Bromine

Chlorine

Ozone

Oxidized forms of chromium and manganese

Alkalinity above 300 mg/L and acidity above 150 mg/L as CaCO

require neutralization since the color could instantly fade. To resolve

this, neutralize the sample with diluted HCl or NaOH.

In case of water with hardness greater than 500 mg/L CaCO

, shake

the sample for approximately 1 minute after adding the reagent.

Iodine

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 51 52

Keine Kommentare

Hanna-instruments HI 93710 Bedienungsanleitung Seite 43