Sodium metaphosphate

It was shown that the coated phosphate can obviously enhance the magnetism of γ - Fe_2O_3 and the coating effect of phosphate is as follow : sodium metaphosphate > sodium tripolyphosphate > sodium pyrophosphate .

结果发现，包敷磷酸盐能明显提高γ-Fe2O3磁性能。此类包敷剂的作用效应为六偏磷酸钠>高聚磷酸钠>焦磷酸钠。

The various kind samples of dispersant selected by analysis of carbon powder granularity , the contrast with effect , the hexa - sodium metaphosphate is disperse medium that adapted to analysis of carbon powder granularity .

采用炭素粉末粒度分析选取多种分散剂分散试样，其效果进行比对，验证六偏磷酸钠是一种适应炭素粉末粒度分析的分散介质。

It was proved that presence of sodium metaphosphate could improve the sensitivity and selectivity of the method .

NaPO3的存在可提高方法的灵敏度与选择性。

Sodium citrate , sodium metaphosphate and copper reagent are introduced in a combined way to screen interfering ions in the grain .

采用柠檬酸钠、偏磷酸钠和铜试剂联合掩蔽粮食中的干扰离子。

Sodium salts of phosphate is a phosphate chemical product which is widely used products , and its technical development and market development are comparative maturity . There are mainly sodium orthophosphate , sodium pyrophosphate , polyphosphate sodium , sodium metaphosphate .

磷酸钠盐是工业磷酸盐中产量最大、消费量最多的磷化工产品，其技术开发与市场发展都比较成熟，它主要有正磷酸钠盐、焦磷酸钠盐、聚磷酸钠盐和偏磷酸钠盐。