ABAMECTIN

abamectin
Inspection items [National Standards for Veterinary Drugs (Volume 1 of Chemicals and Traditional Chinese Medicine)]
The product is white or light yellow powder. Tasteless. This product is soluble in ethyl acetate, acetone or trichloromethane, slightly soluble in methanol or ethanol, slightly soluble in n-hexane or petroleum ether, almost insoluble in water.
2mg of this product was prepared with methanol into a solution containing 20μg per 1ml. The solution was determined according to UV-Vis Spectrophotometry. The maximum absorption was observed at 245nm and 238nm.
In the chromatogram recorded under the content determination item, the retention time of the main peak of the test solution should be the same as that of the standard solution.
Dry weight loss ≤5.0%
Incense burning residue ≤0.5%
Heavy metal 20 PPM or less
Arsenic salts shall comply with regulations (≤0.0002%)
Melting point 157 ~ 162℃
Specific curl +53° ~ +58°
Abamectin B1(B1A +B1b)≥92.0%; Abamectin B1A was ≥80.0%
The content of related substances should not exceed 8.0% except abamectin B group