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Model Number |
USP28 |
ITEMS OF ANALYSIS SPECIFICATION
APPEARANCE: WHITE POWDER
IDENTIFICATION:
A:INFRARED ABSORPTION 197K: CONCORDANT WITH THE REFERENCE
B:A SOLUTION (1 IN 20) RESPONDS CONFORM TO USP28
TO THE TESTS FOR CALCIUM:
SPECIFIC OPTICAL ROTATION: +25.0�- +27.5�
ALKALINITY: NO PINK COLOR IS PRODUCED WITHIN 5 SECONDS
LOSS ON DRYING: NOT MORE THAN 5.0%
HEAVY METALS: NOT MORE THAN 0.002%
ORDINARY IMPURITIES: NOT MORE THAN 1.0%
ORGANIC VOLATILE IMPURITIES: MEETS THE REQUIREMENTS
NITROGEN CONTENT: 5.7% - 6.0%
CONTENT OF CALCIUM: 8.2% - 8.6%
CONCLUSION: CONFORM TO USP28
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