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ÀÔ·ÂÀÏÀÚ: 2007-07-12

Á¦¸ñ: vitamin B12
  »óǰºÐ·ù: À¯±âÈ­Çпø·á¿Í Áß°£Ã¼
  µî·ÏºÐ·ù: Offer to Sell
  ³»¿ë: Quantity: 10Metric Tons

Additional_detail: If you need vitamin b12, please contact me as soon as possible, we have Pharm grade, Food grade, Feed grade( vitamin b12 1%,2%,3%) Our pharm grade as follows: Standard: Bp2004, usp28, ep5.0 Specification: Item standard result Appearance dark red crystalline powder dark red crystalline powder Indentification positive positive Ratio absorbance a361/a278 1.70-1.90 1.87 a361/a550 3.15-3.40 3.28 Loss on drying % 12 max 2.50 Assay % 96-102.0 98.60 Related substances % 3 max 0.78 Pseudo cyanocobalamin complies complies

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tony
ÀüÈ­¹øÈ£:
0086--027-68886667
ÆÑ½º¹øÈ£:
0086--027--88064757 
E - mail:
tom2@yuanchengtech.com

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