The change of sodium ferric EDTA and carbonyl iron was not great, but most of ferric sulfate and ferric ammonium citrate became insoluble during storage.
乙二胺四乙酸铁钠和元素羰基铁粉在贮藏过程中变化不大，而硫酸亚铁和柠檬酸铁铵在贮藏过程中绝大部分变成了不溶性铁。
The change of sodium ferric EDTA and carbonyl iron was not great, but most of ferric sulfate and ferric ammonium citrate became insoluble during storage.
乙二胺四乙酸铁钠和元素羰基铁粉在贮藏过程中变化不大，而硫酸亚铁和柠檬酸铁铵在贮藏过程中绝大部分变成了不溶性铁。
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