License number：Shandong Animal Remedy No.（2001）X260149　

Properties: yellow or orange crystalline powder, no smell and no odor. Do not solvable in water and ethanol, easy to dissolve in sodium hydroxide or sodium carbonate's dilute solutions.

Item	GB7302－87	"China Animal Remedy Pharmacopoeia"2000	Enterprise internally control standard
content(％)	95.0～102.0	95.0～102.0	98.0～102.0
loss on drying (％)	≤8.5	≤8.5	≤7.0
residue on ignition(％)	≤0.5	≤0.1	≤0.1

authentication:Positive reaction

Calcium content ,(Ca) %(weight on dry product):8.2-8.6

Nitrogen content ,(N)%(weight on dry product):5.7-6.0

specific optical rotation,([a]20D)%(weight on dry product):+24- +28.5 Heavy metal (count on Pb)%≤0.002

Loss on drying%≤5.0

Property: White to nearly white crystalline powder, nearly odorless, has no hygroscopicity. Sweet taste. it is stable to the light, heat and PH. Extremely easy to dissolve in water, ethanol and methanol.