[1]王雅萍.EDTA 一步提取法快速测定复混肥中有效五氧化二磷含量[J].黑龙江农业科学,2008,(03):68-69.[doi:10.11942/j.issn1002-2767.2008.03.0068]
WANG Ya-ping.Rapid Determination of Available P2O5 in the CompoundFertilizer by One-step EDTA Extraction[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(03):68-69.[doi:10.11942/j.issn1002-2767.2008.03.0068]
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WANG Ya-ping.Rapid Determination of Available P2O5 in the CompoundFertilizer by One-step EDTA Extraction[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(03):68-69.[doi:10.11942/j.issn1002-2767.2008.03.0068]
EDTA 一步提取法快速测定复混肥中有效五氧化二磷含量
《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S]
卷:
期数:
2008年03
页码:
68-69
栏目:
出版日期:
2008-03-10
- Title:
- Rapid Determination of Available P2O5 in the CompoundFertilizer by One-step EDTA Extraction
- 文章编号:
- 1002-2767(2008)03-0068-02
- Keywords:
- compo und fer tilize r ; phospho rus pento xide (P2O5); ethy lene diamine tetraacetic acid(EDTA); one-stepex traction
- 分类号:
- S14-33
- 文献标志码:
- A
- 摘要:
- 采用乙二胺四乙酸二钠(EDTA)溶液直接提取复混肥中有效五氧化二磷, 微波加热技术干燥磷钼酸喹啉沉淀。结果表明:用100 mL EDTA 溶液(0 .1 mL·L-1)提取, 在(80 ±2)℃恒温下振荡30 min , 用微波炉加热干燥磷钼酸喹啉沉淀15 min 的测定值, 与标准方法测定值的绝对差值<0.2 %, 该方法的相对偏差(RSD)<0.2 %,精密度和准确度良好。
- Abstract:
- Available P2O5 in compound fertilizer wa s directly e xt racted by EDTA.And the precipitated quinolinemolybdo pho sphate was dried by micr ow ave technolog y .The experime nt show ed tha t ex tracted w ith 100 mL EDTAso lutio n(0.1 mol·L-1), oscillated 30 minutes at the co nstant tem pera tur e (80 ±2)℃, and dried 15 minutes bymicrowav e oven , the absolute er ro r between the da tum of the precipita ted quino line molybdo pho sphate w ith themethod a nd the datum with standard method wa s less than 0 .2%.The r elative standar d deviation (RSD)of themethod w ith g oo d precisio n and accuracy was le ss than 0 .2 %.
参考文献/References:
[ 1] 国标GB/ T8573-1999 , 复混肥料中有效磷含量测定[ S] .[ 2] 刘珍.化验员读本上册化验分析[ M] .北京:北京化学工业出版社, 1998 .[ 3] 国标GB/ T8573-1999 , 复混肥料中有效磷含量测定[ S] .[ 4] 黄玉安.EDTA 一步提取法快速测定过磷酸钙中有效五氧化二磷含量[ J] .磷肥与复肥, 2004(1):70 .
相似文献/References:
[1]刘德志,胡瑞轩,窦新田,等.生物有机复混肥的研制和应用效果[J].黑龙江农业科学,2005,(02):1.[doi:10.11942/j.issn1002-2767.2005.02.0001]
LIU De-zhi,HU Rui-xuan,DOU Xin-tian,et al.Resarch and Effect of Compound Fertilizer for Bio- organic- inorganic Fertilizer[J].HEILONGJIANG AGRICULTURAL SCIENCES,2005,(03):1.[doi:10.11942/j.issn1002-2767.2005.02.0001]
备注/Memo
作者简介:王雅萍(1966-), 女, 黑龙江人, 学士, 助理研究员, 从事化验分析工作。T el:13604833596 ; E-mail:shinyf f @163 .com 。
更新日期/Last Update:
2016-12-14