Page 91 - Statistics presented by Dr. Sara Ismail Aborass

9/8/2023

Determination of total solid.
weigh empty crucible (like a small porcelain dish).
weigh 5 g of milk in a crucible
put a crucible in a water bath until dryness.
after complete dryness put the crucible in an oven, and weigh after cooling.
determination the percent of total solid.
%Of total solid = [(wt of crucible +sample) after drying – wt of crucible]/wt of sample * 100

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Richmond’s formula for total solid. 180
T (total solid) = 0.25 D+ 1.22 F+ 0.72
For cow milk 0.66 90
D = Density
F = % Fat

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