Chlortesmo Test Papers (for Qualitative Determination of Free Halogens) Yellow to Blue, Sensitivity 1 mg/l Chlorine, 200/PK, 90603

CTL® Chlortesmo Test Papers (for Qualitative Determination of Free Halogens) Yellow to Blue, Sensitivity 1 mg/l Chlorine, 200/PK, 90603

Features:

• This test paper is used for qualitative determination of free halogens (chlorine, bromine, iodine) — in presence of these compounds, pale yellow paper turns blue
• Free nitrous acid HNO₂ (not nitrite ions) interferes, but can be destroyed by additions of amidosulphuric acid
• Limit of sensitivity: 1 mg/l chlorine
• Store at room temperature