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琼脂

产品ID: 61

产品描述


APPEARANCE:MILKY OR YELLOWISH FINE POWDER

GEL STRENGTH:(NIKKAN, 1.5%, 20℃)> 900 G/CM2

PH VALUE:    6 - 7

LOSS ON DRYING:    =<12%

GELATION POINT:    35 - 42℃

RESIDUE ON IGNITION:    =< 5%

LEAD    =< 5 PPM

ARSENIC    =< 1 PPM

TOAL HEAVY METALS (as Pb)    =< 20 PPM

SULPHATE    =< 1%

TOTAL PLATE COUNT     =< 3000 CFU/G

MESH SIZE (%)    90% THROUGHT 80 MESH

SALMONELLA IN 25G    ABSENT

E.COLI  IN 15 G    ABSENT

STARCH, GELATIN & OTHER PROTEIN    NONE

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