EFFECT OF BENZOTRIAZOLE ON THE PROTECTIVE PROPERTIES OF Na2HPO4 IN AN ANTIFREEZE.

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作者：
Chekashkina, L.N.
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来源：
Protection of Metals (English translation of Zaschita Metallov) | 1987年 / 23卷 / 02期
关键词：
ANTIFREEZE SOLUTIONS - COPPER AND ALLOYS - Corrosion Protection - CORROSION PROTECTION - Inhibitors - SODIUM COMPOUNDS;
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摘要：
Aqueous ethylene glycol solutions are widely used as antifreeze in cooling systems. The construction materials of such systems (copper, carbon and stainless steels) may undergo corrosion. In this work, tube samples of St3 steel and M-3 copper were studied. Results on the interaction of Na//2HPO//4 and BTA show that upon introduction of a small amount of BTA into an aqueous solution of ethylene glycol containing Na//2HPO//4 the corrosion rate of steel and copper decreases.
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页码：259 / 260
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