几种测定化肥中总镁含量方法的比较研究

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关键词;硝酸-高氯酸电热板消解法;王水微波消解法;电感耦合等离子体发射光谱法(ICP-OES);原子吸收光谱法

(AAS);EDTA-2Na容量法

doi:10.3969/j.issn.1004-8901.2025.02.007

中图分类号：TQ440.72 文献标识码：B 文章编号：1004-8901(2025)02-0037-04

A Comparative Study on Several Methods for Determining the Total Magnesium Content in Fertilizers

WEI Hou-ming (Guangxi ModernPolytechnic College，Pilot Research Base for Science and Technology Trans formationofGuangxi Nonferrous Metals Industry，HechiGuangxi 547ooo,China)

AbstractTeplicabitirtgestioetosdetetithqsieterngtetotalagesotetirtlisi compared.Twotyesofompoudfertlerstadrdsubstancseratedviateitricacid-pechlocidelectricotplatedgtoetd andthenitrohydrochloriccidmicrowavedigestiomethod.Resultsshowthefolowing：thetwometodssareahighconsistencyindetei ningstandardsbsacs；teiridpoccidelectricotplatedgestiometdmosratsroglabiltiopetri samples，hilrprstsdataseatispliciydfecyAmogttetioeods，edctielyupd plasmaopticalemissonspectrometry（ICP-OES）methodandtheatomicabsorptionspectrometry（AAS）methodsharerelativelycosistent measuring results.This study is of some reference for laboratories to select appropriate analytical methods.

Keywordsitriccidoriccidlectricotplatedgestometod；itrdrochloccidicrowadigestionetodductielyopled plasma optical emision spectrometry(ICP-OES)；atomic absorption spectrometry（AAS)；EDTA-2Na volumetric method doi:10.3969/j.issn.1004-8901.2025.02.007

化肥作为农业生产中重要的养分来源，其镁含量直接影响着作物的生长，准确测定化肥中总镁含量对于评估化肥质量具有重要意义。（剩余5820字）