Search results
Results from the WOW.Com Content Network
Alachlor is an herbicide from the chloroacetanilide family. It is an odorless, white solid. The greatest use of alachlor is for control of annual grasses and broadleaf weeds in crops. Use of alachlor is illegal in the European Union [1] and no products containing alachlor are currently registered in the United States. [2]
Acetanilide can be produced by reacting acetic anhydride with aniline: [7]. C 6 H 5 NH 2 + (CH 3 CO) 2 O → C 6 H 5 NHCOCH 3 + CH 3 COOH. The preparation used to be a traditional experiment in introductory organic chemistry lab classes, [8] but it has now been widely replaced by the preparation of either paracetamol or aspirin, both of which teach the same practical techniques (especially ...
[4] It is approved for pre-emergence application or for pre-planting application with soil incorporation, in corn . ( maize ) at 5 litres / hectare (1835g / hectare of a.i.) [ 5 ] It is the main active ingredient in Acenit, Keystone, Guardian, Harness, Relay, Sacemid, Surpass, Top-Hand, Trophy and Winner.
Though there is no set maximum concentration (maximum contaminant level, MCL) for metolachlor that is allowed in drinking water, the US EPA does have a health advisory level (HAL) of 0.525 mg/L. Metolachlor has been detected in ground and surface waters in concentrations ranging from 0.08 to 4.5 parts per billion (ppb) throughout the U.S. [9]
The Johannesburg Review of Books (or JRB) is a South African online magazine based on other literary magazines such as The New York Review of Books and the London Review of Books. Its bi-monthly issues include reviews, essays, poetry, photographs, and short fiction focused predominantly but not exclusively on South Africa and other African ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
[1] [4] Temperature tolerance is a characteristic that distinguishes Paecilomyces marquandii from Purpureocillium lilacinum with the latter exhibiting growth above 37 °C. [4] Colonies of P. marquandii grown on malt agar reach 5–7 cm in diameter in 14 days at 25 °C with a velvety, brownish-violet aerial mycelium occasionally producing short ...
Chloroacetonitrile is the organic compound with the formula ClCH 2 CN. A colorless liquid, it is derived from acetonitrile (CH 3 CN) by replacement of one H with Cl. In practice, it is produced by dehydration of chloroacetamide. [1]