[Determination of microelements from different types of grass in the habitat of Przewalski's gazelle by sealed microwave digestion ICP-AES].
For the mixture forge from different types of grassland, trace elements including copper, manganese, iron, zinc and molybdenum were separately determined by ICP-AES using high pressure system-sealed microwave digestion in the habitat of the Przewalski's gazelle in Qinghai Hudong in summer (mid-June), autumn (mid-September) and winter (mid-December). The samples of mixture forage were digested with HNO3-H2O2 acids system. The detection limits of the method for the elements varied from 0.002 to 0.008 microg x g(-1), with relative standard deviations between 0.13% and 4.29%, and the spike recovery ratios for them were in the range from 94.0% to 101.30%. This method was simple, sensitive and precise compared with conventional method, which will provide scientific basis for the research on gazelles habitat condition.
Inner Mongolia University for Nationalities, Tongliao 028042, China. toni2002@126.com
Li-ye
LY
Zhou
Guo-sheng
GS
Xin
Xiu-ying
XY
Pu
D000821:Animal Feed / Q000032:analysis*; D000818:Animals; D000866:Antelopes; D003300:Copper; D004063:Digestion; D017753:Ecosystem; D006861:Hydrogen Peroxide; D007501:Iron; D008345:Manganese; D008872:Microwaves; D006109:Poaceae / Q000737:chemistry*; D013054:Spectrophotometry, Atomic; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc
D014131:Trace Elements; D008345:Manganese; D003300:Copper; D006861:Hydrogen Peroxide; D007501:Iron; D015032:Zinc