The standard states that the citric acid-sodium nitrate treatment is the least hazardous for removal of free iron and other metallic contamination and light surface contamination.

该标准声明：柠檬酸-硝酸钠处理在去除游离铁合其他金属污染和轻的表面污染物时，危险性最低。

youdao

Type 732 cation exchange resin was added in nickel bath to separate nickel ions and other cations, boric acid and chloride ions were then separately titrated by sodium hydroxide and silver nitrate.

采用732型阳离子交换树脂分离镍及其它阳离子后，分别用氢氧化钠和硝酸银滴定硼酸和氯离子。

youdao

Other compounds not compatible with reducing agents include ammonium nitrate, hydroperoxide, potassium perchlorate, sodium nitrate.

其他不能与还原剂一起使用的物质还包括：硝酸铵，过氧化氢，高氯酸钾，硝酸钠。

youdao