Page 76 - Statistics presented by Dr. Sara Ismail Aborass
P. 76
9/8/2023
• Gravimetric Factor (GF)
• It is the factor by which the weight of the ppt
must be multiplied to get the weight of the
substance sought in the sample
• Wt of analyte = Wt of ppt X GF
149
GF = a X F.Wt of substance sought (analyte)
b F.Wt of substance weighed (ppt)
Where: a = No of moles of analyte
b = No of moles of ppt
150
75
