Sequential spectrophotometric determination of water-soluble calcium and magnesium in soils using chlorophosphonazo I

1983 ◽  
Vol 81 (1-2) ◽  
pp. 1-9 ◽  
Author(s):  
Qiu Xing-chu ◽  
Zhu Ying-quan
1955 ◽  
Vol 27 (3) ◽  
pp. 356-359 ◽  
Author(s):  
Allen Young ◽  
T. R. Sweet ◽  
B. B. Baker

The Analyst ◽  
1985 ◽  
Vol 110 (7) ◽  
pp. 801 ◽  
Author(s):  
Maria Pesavento ◽  
Carla Riolo ◽  
Raffaela Biesuz

1975 ◽  
Vol 47 (1) ◽  
pp. 152-154 ◽  
Author(s):  
M. W. Scoggins ◽  
John W. Miller

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