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The content of Bio-silicon determined by Gelatin Coagulation Gravimetric Method:

*The international standards of content were adopted by SGS // GB/T5009.3-2016

Formula of Gelatin Coagulation Gravimetric Method:

Purity of Biological silicon calculate on W1 mass fraction of SiO2,numerical value in %, calculation based on formula A.1

W1=(M1-M2)/M0×100% ..... A.1

* M1 — sample residue and Mass of nickel crucible(g).

M2 — Mass of nickel crucible(g).

M0 — mass of sample(g)

Use the arithmetic mean value Of Parallel result, the absolute difference of two parallel results should not matter than 0.2%.

Procedure of Gravimetric Method

Result of SiO2 Content Test

Use the arithmetic mean value of Parallel Result

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