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Research and development display agent Determination of nitrite content in concrete

机译:研发展示试剂混凝土中亚硝酸盐含量的测定

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The invention relates to building materials field, especially the determination method relates to a concrete root ion content of nitrite. Nitrite as antifreeze in the concrete, early strength agent and rust resistance agent composition is widely used in reinforced concrete structure, the admixture of cement quality generally accounted for 1-3% range, its content is too little and too much will affect the durability and workability of concrete, if insufficient dosage when the early strength, anti-freezing and anti-rust effect is not obvious,otherwise affect the workability and durability,when used as a rust inhibitor and dispersant, insufficient dosage, sometimes, can produce local corrosion and accelerate the macro cell corrosion. Therefore, the determination of nitrite ion content in root of concrete (or mortar) has become the inevitable trend of modern concrete production.
机译:本发明涉及建筑材料领域,特别是测定方法涉及亚硝酸盐的具体根离子含量。亚硝酸盐作为混凝土中的防冻剂,早期强度剂和防锈剂组合物广泛应用于钢筋混凝土结构,水泥质量的混合物普遍占1-3%的范围,其含量太少而且太多会影响耐用性和太多会影响耐用性混凝土的可加工性,如果剂量不足,抗冻结和抗锈效果不明显,否则会影响可加工性和耐用性,当用作防锈剂和分散剂时,剂量不足,有时,可以产生局部腐蚀加速宏观细胞腐蚀。因此,在混凝土(或砂浆)根中亚硝酸盐离子含量已成为现代混凝土生产的必然趋势。

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