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TEST INSTRUCTIONS - Geotech Environmental Equipment

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BENZOTRIAZOLE/TOLYLTRIAZOLE<br />

UV Photolysis Method CODE 4047<br />

QUANTITY CONTENTS CODE<br />

15 g *Benzotriazole Reagent *3818-E<br />

25 mL NaK Tartrate Solution 7841-G<br />

25 mL *Sulfuric Acid *6139WT-G<br />

1 pH Test Papers, 1–11 9259<br />

1 Spoon, 0.25 g, plastic 0695<br />

1 Erlenmeyer Flask, 25 mL, glass 2-2109<br />

1 Graduated Cylinder, 25 mL, glass 0417<br />

*WARNING: Reagents marked with a * are considered to be potential health<br />

hazards. To view or print a Material Safety Data Sheet (MSDS) for these<br />

reagents see MSDS CD or www.lamotte.com. To obtain a printed copy, contact<br />

LaMotte by email, phone or fax.<br />

<strong>Equipment</strong> needed but not supplied:<br />

QUANTITY CONTENTS CODE<br />

1 UV Safety Goggles 31041<br />

1 Penray UV Lamp 31041-1<br />

1 Renray Lamp Power Source 31041-2<br />

Proper safety precautions must be followed when using the Penray UV lamp<br />

and power source (31041-1 and 31041-2) to prevent eye and skin damage.<br />

Always wear the UV Safety Goggles (31041) while the lamp is turned on.<br />

Never handle the lamp itself; always hold it by the socket. Wipe the lamp dry<br />

with a clean, soft tissue after each test. Do not operate the lamp outside the<br />

Erlenmeyer Flask filled with water.<br />

Benzotriazole and tolyltriazole form strong complexes with metals. They are<br />

used in antifreeze for cars, lubricating oil, and photographic anti-fogging<br />

agents. In cooling water systems benzotriazole and tolyltriazole are used as<br />

corrosion and rust inhibitors together with many kinds of scale inhibitors,<br />

bactericides and algaecides.<br />

APPLICATION: Corrosion and rust inhibitors in cooling water systems<br />

RANGE: 0.0 – 30.0 ppm Benzotriazole<br />

0.0 – 30.0 ppm Tolyltriazole<br />

METHOD: Benzotriazole and tolyltriazole are UV-photolyzed in a<br />

buffered solution with a pH between 4 and 6. A yellow color<br />

develops in proportion to the concentration of triazole<br />

present.<br />

Smart2 <strong>TEST</strong> PROCEDURES 7.06 Benzotriazole/Tolyltriazole 1/4

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