Cholecalciferol, (sometimes called calciol) is an inactive, unhydroxylated form of vitamin D3)Calcifediol(also called calcidiol, hydroxycholecalciferol, 25-hydroxyvitamin D3, etc. and abbreviated 25(OH)D is one of the forms measured in the blood to assess vitamin D statusCalcitriol(also called 1,25-dihydroxyvitamin D3) is the active form of D3.
| ITEM | STANDARD |
| APPEARANCE | WHITE OR OFF-WHITE FLOWING POWDER |
| SOLUBILITY | EASILY DISPERSED IN COLD WATER 15℃ TO FORM A HOMOGENEOUS AND STABLE EMUSION |
| GRANULARITY:GO THROUGH THE SIEVE OF 60 MESH | >=90.0% |
| HEAVY METAL | =<10PPM |
| LEAD | =<2PPM |
| ARSENIC | =<1PPM |
| MERCURY | =<0.1PPM |
| CADMIUM | =<1PPM |
| LOSS ON DRYING | NOT MORE THAN 5.0% |
| Vitamin D3 Content | >=500,000IU/g |
| TOTAL PLATE COUNT | =<1000CFU/G |
| YEAST&MOULD | =<100CFU/G |
| COLIFORMS | =<0.3MPN/G |
| E.COLI | NEGATIVE/10G |
| SALMONELLA | NEGATIVE/25G |
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