HemoCheck-S Instructions for use

HemoCheck-S the test kit for detection of blood residue on surfaces.

1. Open the protective pouch of the HemoCheck-S test kit. Included are: A: Indicator-vial (transparent cap), B: activator-vial (green cap) and C: cotton swab.

2. Wet surfaces are swabbed with the dry cotton swab. Dry surfaces are swabbed by moistening the swab with a drop of clean water (Do not use chlorinated water!). Swab the sample vigorously.

3. Open the indicator vial (A transparent cap) and transfer the liquid into the activator-vial (B green cap).

4. Place the sample-swab (C) into the vial (head down into the liquid) and shake at least 5 times.

5. Check the swab over a period of 30 seconds for a colour change to blue-green, which will indicate blood residues on the tested surface. In the presence of large amount of blood the whole indicator solution will change to dark blue. Record your result since small amount of blood residue will not form a stable colour. The used test-liquid may change to a light blue-green after several hours which does not indicate residues.

Note: In case of jointed surgical instruments blood residues are most common inside joints which cannot be sampled with a swab. Long swabs can be used for checking inside cannulated instruments.

-INFORMATION-

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PRINCIPLE

Due to the high content of Peroxidases in blood an enzymatic reaction is used for detection of blood residues.

RANGE OF APPLICATION

Detection of blood residues on surfaces. Examples: Chamber walls of WD´s, Ultrasonic cleaner, work bench, surfaces of surgical instruments. Test for residues of blood based test soils.

MEASURING RANGE

The test kit can detect 0,1 µg of blood by showing a slight blue-green spot. 1 µg of blood in the test will already give a dark blue colour.

INTERFERENCES

Oxidising agent like chlorine or hypochlorite (present in some disinfecting agents and detergents) will give a colour change too. In this case the test cannot be used to detect blood residues.

CONTENTS OF PACKAGE

12 single use tests for detection of blood on surfaces.

Each test kit consists of:

- vial with indicator solution (transparent cap)

- activator-vial (green cap)

- swab

STORAGE: Store HemoCheck-S in closed pouches in a cool place 2°C- 25°C. Keep away from light and heat

SHELF LIFE: See imprint