留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

灰化法磷测定中不同灰化助剂的效果比较:以焦磷酸钠作为磷标样

周毅,  张福绥,  马锡年,  杨红生,  何义朝

downloadPDF
文章导航 > 海洋学报  > 2001 >  23(5): 58-64
周毅, 张福绥, 马锡年, 杨红生, 何义朝. 灰化法磷测定中不同灰化助剂的效果比较:以焦磷酸钠作为磷标样[J]. 海洋学报, 2001, 23(5): 58-64.
引用本文: 周毅, 张福绥, 马锡年, 杨红生, 何义朝. 灰化法磷测定中不同灰化助剂的效果比较:以焦磷酸钠作为磷标样[J]. 海洋学报, 2001, 23(5): 58-64.
shu
ZHOU Yi, ZHANG Fu-sui, MA Xi-nian, YANG Hong-sheng, HE Yi-chao. A comparison of efficiency of different assistants used in phosphorus determination by ignition method with Na4p2O7 as standard phosphorus[J]. Haiyang Xuebao, 2001, 23(5): 58-64.
Citation: ZHOU Yi, ZHANG Fu-sui, MA Xi-nian, YANG Hong-sheng, HE Yi-chao. A comparison of efficiency of different assistants used in phosphorus determination by ignition method with Na4p2O7 as standard phosphorus[J]. Haiyang Xuebao, 2001, 23(5): 58-64.
shu

灰化法磷测定中不同灰化助剂的效果比较:以焦磷酸钠作为磷标样

  • 中国科学院海洋研究所, 山东, 青岛, 266071

基金项目: 国家重点基础研究规划资助项目(G1999012012);中国科学院知识创新工程资助项目(KZCX2-403);国家重点科技资助项目(96-922-02-04)

A comparison of efficiency of different assistants used in phosphorus determination by ignition method with Na4p2O7 as standard phosphorus

  • Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China

    摘要
  • 摘要: 对Na4P2O7加入不同灰化助剂经不同温度(200～550℃)灼烧后磷的回收率进行了研究.所研究的灰化助剂除文献中已深入研究过的MgSO4和Mg(NO3)2外,还对MgCl2等10余种盐试剂进行了实验.结果表明,除Mg(NO3)2外,MgCl2,MgAc2,CaCl2,Ca(NO3)2等均能使Na4P2O7灰化后的磷完全回收(灼烧温度不低于450℃),而加入MgSO4在任何灼烧温度下磷的回收率均低于80%,效果不佳.因此,在利用目前已被广泛应用的由Solrzno和sharp所提出的方法去分析海水中颗粒磷和总磷或有机体中的磷时,应当用MgCl2(或MgAc2)作为灰化助剂来取代MgSO4.
    Abstract: Resear ches on phosphorus recoveries from sodiumpy rophosphate(Na4P2O7) after ignition at temper ature from 200 to 550℃ with auxiliary,such as MgSO4,Mg(NO3)2,MgCl2,MgAc2,CaCl2,Ca(NO3)2 and so on,are finished.The results indicate that MgSO4 gives poor phosphorus recovery at any ignition temperature from 200 to 550℃,when the final residue is extracted with 0.2 mol/dm3 HCl at 80℃ for 30 min.By contrast,Mg(NO3)2, MgCl2,MgAc2,CaCl2 and Ca(NO3)2 give very good phosphorus recovery with ignition temperature being equal to or greater than 450℃.It is sugg ested that MgCl2(or MgAc2) rather than MgSO4 can be used as ashing assistant in the phosphorus determination by ignition method.
    • HTML全文
    • 参考文献(16)
  • SOLÓRZANO L, STRICKLAND J D H. Polyphosphate in sea water[J]. Limnol Oceanogr, 1968, 13:515～518
    GRASSHOFF K, ERHARDT M, KREMLING K. Meathods of sea water Analysis[M]. Verlag Chemie, WeiM Heim,Germany, 1983.
    SOLÓRZANO L, SHARP J H. Determination of total dissoved phosphorus and particulate phosphorus determination in natual waters[J]. Limnol Oceanogr, 1980, 25:754～758.
    HEISKANEN A-S, HAAPHLA J, GUNDERSEN, K. Sedimentation and Pelagic Retention of Particulate C, N and P in the coastal northern Baltic Sea[J]. Estuarine Coastal and Shelf Science, 1998, 46:703～712.
    RUDNICK D T, et al. Phosphorus and nitrogen inputs to Florida Bay:the importance of the everglades watershed[J]. Estuaries, 1999, 22:398～416.
    PAKULSKI J D, et al. Microbial metabolism and nutrients cycling in the Mississippi and Atchafalaya River plumes[J]. Estuarine, Coastal and Shelf Science, 2000, 50:173-184.
    TESTUDINUM T. Phosphrus limitation of primary production in Florida Bay:evidence from C:N:P ratios of the dominant seagrass[J]. Limnol Oceanogr, 1992, 37:162～171.
    FRANKOVICH T A, FOURQUREAN J W. Seagrass epiphte loads along a nutrient availability gradient, Florida Bay, USA[J]. Mar Ecol Prog Ser, 1997, 159:37～50.
    JOHANSSON N, GRANÉLI E. The influence of different N:P supply ratios on cell density, chemical composition and toxi city of Ptymnesium parvum (Haptophyta) in semi-continuous cultures[J]. J Exp Mar Biol Ecol, 1999, 239:243～258.
    JOHANSSON N, GRAN ELI E. Cell density, chemical composition and toxicity of Chrysochromulina polylpiss(Haptophyta) in relation to different N:P supply ratios[J]. Mar Biol, 1999, 135:209～217.
    MOORE K A, WETZEL R. Seasonal variations in eelgrass(Zostera marina L.) responses to nutrient enrichment and reduced light availability in experiment ecosystems[J]. J Exp Mar Biol Ecol, 2000, 244:1～28.
    AMES B N. Assay of inorganic phosphate, total phosphate and phosphatases[A]. Colowick S P, Kaplan N O. Methods in Enzyrnology[M]. New York:Academic Press, 1966, 8:115～118.
    CEMBELLA A D, ANTIA N J, TAYLOR F J R. The determination of total phosphorus in sea water by nitrate oxidation of organic component[J]. Wat Res, 1986, 20:1 197～1 199.
    ORMAZA-GONZÁLEZ F I, STATHAM P. A comparison of methods for the determination of dissolved and particulate phosphorus in natural waters[J]. Wat Res, 1996, 30:2 739～2 747.
    ANDERSON J M. Ignition method for the determination of total P in lake sediments[J]. Wat Res, 1976, 10:329～331.
    ASPILA K L, AGEMIAN H, CHAU A S. A semi-automated method for the determination of inorganic, organic and total phosphate in sediments[1]. Analyst, 1976, 10:187～197.
    • 相关文章
    • 施引文献
  • 资源附件(0)
  • 加载中
WeChat 点击查看大图
计量
  • 文章访问数:  665
  • HTML全文浏览量:  5
  • PDF下载量:  1236
  • 被引次数: 0
出版历程
  • 收稿日期:  2000-02-24
  • 修回日期:  2001-01-21

目录

    /

    返回文章
    返回

    京ICP备12043220号-9

    主管：中国科学技术协会 主办：中国海洋学会 出版：海洋出版社

    邮编：100161 电话：010-62100966/010-62179976 地址：北京市丰台区马官营家园3号楼433

    本系统由北京仁和汇智信息技术有限公司开发 技术支持：info@rhhz.net   百度统计