Originally, exactly as much as a volume of water equal to the cube of the hundredth part of the metre, at the temperature of melting ice. I don't find that terribly helpful. Not many did. That's why, in 1889, the mass of the kilogram was redefined as being equal to the IPK.
Boiling water is also an effective poison ivy killer. If the area where you will be killing poison ivy has no other plants you wish to keep, pour boiling water over the poison ivy plant. Boiling water will kill any part of a plant that it comes in contact with, so be careful using this around desirable plants.
Treating Urushoil â Poison Ivy Rashes. Q: Will the Clorox Â® Disinfecting Wipes kill urushoil, the oil that causes poison ivy rashes? A: This is a great question, because âkillâ as it pertains to disinfectants, is a term whose use is regulated by the EPA. First, I need to clarify that because urushoil is an oily resin, it isnât âkilledâ.