| 摘要 |
<p>Process for the preparation of a pesticide formulation containing at least 80% by weight of pesticidally toxic material, which comprises freezing an intimate mixture containing the pesticidal toxicant, at least one surfaceactive agent and a sublimable liquid medium, reducing the pressure above the frozen mixture to below the triple point pressure of the liquid, and removing the medium as a gas whilst maintaining the pressure below that at which the medium can exist in a liquid form.</p> |
