Percentage of silica and sand by Ash

Formula

Percentage of silica and sand by Ash formula
p
percentage of silica and sand
m1
weight of insoluble ash
m2
sample weight

Formula description

Estimate the percentage of crude fibre in feed stuffs. Crude fibre is the indigestible part of foods, defined as the residue left after successive extraction under closely specified conditions with petroleum ether, 1.25% sulphuric acid, and 1.25% sodium hydroxide, minus ash.

Calculator (how to use calculator?)

Percentage of silica and sand by Ash formula
m1
m2
p
Precision

Formula code

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References

  1. Wikipedia:Percentage of silica and sand by Ash.

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