WANG Xiao-yi, YE Zheng-liang, ZHANG Shun-nan, et al. Determination of Sodium in Extract of by ICP-MS[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(14): 34-36.
DOI:
WANG Xiao-yi, YE Zheng-liang, ZHANG Shun-nan, et al. Determination of Sodium in Extract of by ICP-MS[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(14): 34-36. DOI: 10.11653/syfj2013140034.
Objective: To establish a method for determining the content of sodium in extract of Salvia miltiorrhiza. Method: With nitric acid as digestion system
extract of S. miltiorrhiza was digested by microwave
the content of sodium belonging to this extract was determined by inductively coupled plasma mass spectrometry(ICP-MS).In order to correction response signal changes and eliminate influence of matrix effect and instrument drift
chromium was selected as an internal standard solution. Result: Linear range of sodium was 0.00-10.00 mg·L-1(r=0.999 9)
with poplar leaves as work standards
average recovery was determined as 90.4% (RSD 3.8%
n=6). Conclusion: This method had good stability
reproducibility and precision
it could be used to determining the content of sodium in extract of S. miltiorrhiza.
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