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TEST INSTRUCTIONS - Geotech Environmental Equipment

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BIGUANIDE<br />

COLORIMETRIC METHOD CODE 4044<br />

QUANTITY CONTENTS CODE<br />

2 X 60 mL Biguanide Indicator 3994-H<br />

1 Pipet, plastic, 1.0 mL 0354<br />

Biguanide is a non-chlorine, non-bromine chemical sanitizer. It is more stable<br />

than chlorine or bromine and has little chemical odor. Biquanide is an<br />

effective bacteriacide but, unlike chlorine and bromine, it does not destroy<br />

organic contaminants. Therefore, hydrogen peroxide is added to biguanide<br />

pools on a regular basis to eliminate organic contaminants. The optimum<br />

recommended level of biguanide is 30 to 50 ppm.<br />

APPLICATION: Swimming pools<br />

RANGE: 0–70 ppm<br />

METHOD: Biguanide complexes with the proprietary indicator to<br />

produce a colored solution. The color ranges from yellow<br />

through green to blue depending on the biguanide<br />

concentration.<br />

SAMPLE Samples should be analyzed as soon as possible.<br />

HANDLING &<br />

PRESERVATION:<br />

INTERFERENCES: The only interfering substances that are likely to be<br />

encountered in pool water are oxidized manganese and<br />

oxidizing agents, such as chlorine, bromine and ozone.<br />

Smart2 <strong>TEST</strong> PROCEDURES 2.04 Biguanide 1/2

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