Proxiamte analysis of microalgae - (Jan/08/2013 )

What is the formula of moisture and crude fiber in percentage?

In general,
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. ( Ref. http://easycalculati.../crudefibre.php)

percentage crude fiber (wet weight basis=

(Weight of silica crucible with contents before ashing - Weight of silica crucible with contents after ashing) X100
Sample weight