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Atomic Absorption Spectrophotometry is used to determine Calcium in Calcium Stearate

Shao Ying1,Li Ping1,Zhou Caihong1,Dong Liwen1,Lu Ling2(1.Technology Center of Juhua Group,324004;2.Quzhou City Environmental Protection Breau,Quzhou,Zhejiang 324004)  
Atomic absorption spectrophotometer is used to determine calcium in calcium stearate,the best working conditions are fixed.Test results show that the method is good in linearity,r=0.999 9,recovery of standard addition is 98.9%~101.7%,relative standard deviation is 0.37%;test results are of the same as the industry standard.The operation is simple and easy,which can meet the practical need,and can also be used to determine other elements in the same sample solution.It is more suitable for routine analysis for samples in batches.
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