• Core Journal of China
  • DOAJ
  • Scopus
  • Chinese Scientific and Technical Papers and Citations (CSTPC)
  • Chinese Science Citation Database (CSCD)
Development of a Portable Extinction Photometer and Its Application to in situ Rapid Detection of Adulterated Milk[J]. Rock and Mineral Analysis, 2008, 27(3): 169-173.
Citation: Development of a Portable Extinction Photometer and Its Application to in situ Rapid Detection of Adulterated Milk[J]. Rock and Mineral Analysis, 2008, 27(3): 169-173.

Development of a Portable Extinction Photometer and Its Application to in situ Rapid Detection of Adulterated Milk

More Information
  • Revised Date: April 07, 2008
  • Based on Mie theory of light scattering of spherical particles, a novel homemade extinction cuvette was used to construct a handheld extinction photometer for in situ detection of milk adulteration without any complicated pretreatment of the milk samples. Adulteration of cow milk with various substances such as water, soup, powdered milk, soy milk, carbamide, heavy metal salts, etc. were in situ detected with minimal sample pretreatment. Surprisingly, the inferior milk adulterated with powdered milk, soup and/or other materials that could not be distinguished by a density meter was successfully differentiated in situ by the method reported. The detection limits of the method for spiked water and heavy metal such as mercury were lower than 2% and 0.005 μg/g respectively. The average time for single sample detection was less than 2 minutes using the current method, providing a practically useful tool for in situ gradation of milk quality.
  • Related Articles

    [1]WANG Ganzhen, PENG Jun, LI Li, QIN Yi, CAO Jian, TIAN Zongping. Preparation of Standard Material for Composition Analysis of Manganese Ore[J]. Rock and Mineral Analysis, 2022, 41(2): 314-323. DOI: 10.15898/j.cnki.11-2131/td.202104080051
    [2]TIAN Zong-ping, PENG Jun, WANG Gan-zhen, YI Xiao-ming, CAO Jian, QIN Yi. Preparation of Standard Materials for Composition Analysis of Stone Coal Vanadium Ore[J]. Rock and Mineral Analysis, 2021, 40(1): 111-120. DOI: 10.15898/j.cnki.11-2131/td.202001070008
    [3]Chun-xue XU, Ya-ping WANG, Xu ZHANG, Bo DONG, De-zhong SUN, Zi-yi AN. Preparation of Certified Reference Materials of Sillimanite for Chemical Composition Analysis[J]. Rock and Mineral Analysis, 2017, 36(4): 396-404. DOI: 10.15898/j.cnki.11-2131/td.201608190123
    [4]LIU Mei, GU Tie-xin, CHENG Zhi-zhong, HUANG Hong-ku, YAN Wei-dong, YAN Ming-cai. Preparation of Coal Standard Reference Materials[J]. Rock and Mineral Analysis, 2010, 29(4): 414-418.
    [5]Determination of Trace Elements in Carbonate Rocks by MNSR Neutron Activation Analysis[J]. Rock and Mineral Analysis, 2003, (1): 28-32.
    [6]Determination of Active States of Gold by Neutron Activation Analysis[J]. Rock and Mineral Analysis, 2002, (4): 271-274.
    [7]Determination of Platinum Group Elements in Polymetallic Nodules and Deep Marine Sediments Reference Materials by Neutron Activation Analysis[J]. Rock and Mineral Analysis, 1998, (3): 167-171.
    [8]Application of Neutron Activation Analysis to Re_Os Geo_chronology[J]. Rock and Mineral Analysis, 1997, (4): 289-292.
    [9]Preparation of Pacific Manganese Nodule and Sediment Reference Materials[J]. Rock and Mineral Analysis, 1997, (3): 161-169.
    [10]Determination of 29 Elements in Deep-Sea Sediments and Polymetallic Nodules by INAA with Mini-Reactor[J]. Rock and Mineral Analysis, 1992, (3): 246-248.

Catalog

    Article views (1328) PDF downloads (1203) Cited by()

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return