Ivermectin
Appearance: White or yellowish-white
Crystalline powder,
Assay: B1a: 90.0% min(HPLC, Basis,
On drying): (B1a+B1b): 95.0%~100.5%,
Identification: IR and HPLC spectrum,
Concede with standard,
Appearance of solution: Clear and
Not more intensely colored than RS BY7,
Specific optical rotation: -17~ -20 degree,
Relative material: Majors: 2.5% max,
Others: 1% max,
Total impurity: 5.0% max,
Ethanol and formamide: Ethanol: 5.0% max,
Formamide: 3.0% max,
Residue on ignition: 0.1% max,
Heavy metal: 0.002% max,
Water: 1.0% max,
Xiamen Topusing founded in 1998, is headquartered in Xiamen with other four production bases located in Fujian, Sichuan, Jiangsu and Taiwan. These years, Topusing is dedicated to research and development of wide range of special fertilizer and plant growth regulator for agriculture and horticulture.
Based on its powerful technical support and efficient consulting team, Topusing is able to provide single soluble fertilizer, fully soluble NPK, microelements, liquid fertilizers, organic fertilizers, compound NPK and Plant growth regulators. It also provide made-to-order service to design and produce fertilizer to suit customers' exact needs.
With more than 15 year's experience of activity, Topusing now becomes one of the most efficient and reliable fertilizer and plant growth regulators manufacturers and suppliers, and its products are manufactured according to the top standard and has exported to 72 countries.
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