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TEST KIT FOR MEASURING THE LEVER OF NITRITE AND MOLYBDATE ANION IN ENGINE COOLANT

CAO Shu-chao;Henan Institute of Meteorological Sciences;  
The test kit h as been designed to help monitor and maintain the engine's cooling system. Maintaining proper nitrite and molybdate levels are critical to preventing pitted liners.A superhigh sensitive method is established for determination of nitrite based on N-(1-Naphthy1)ethylenediamine dihydrochloride and P-aminobenzenesul phonic acid, and the method for determination of molybdate based on trihydroxylbenzoic acid and hydroxylamine sulfate. The impregnated paper is dried and cut into small pieces and glued to plastic strip. The paper introduced a kind of preparation technology of test strip for measuring the lever of nitrite and molybdate anion in engine coolant.
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