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以普通脂肪酸为原料合成的酯基羧酸钠，对磷块岩和方解石纯矿物进行了试验，结果表明该捕收剂具有较好的耐低温性。对磷矿石的浮选效果达到与加温浮选结果相近的指标。
Phosphate rocks and calcite pure minerals were synthesized from sodium carboxymethyl carboxylates synthesized from common fatty acids. The results show that the collector has good low temperature resistance. The flotation effect of phosphate rock and heating flotation results similar indicators.