The effect of reaction temperature on retaining oxirane oxygen contents in the synthesis of Epoxidized diethanolamides.
INTRODUCTION Alkanolamides is an important non-ionic surfactant using in the household products, personal care and cosmetic industries. Fatty alkanolamides, namely monoalkanolamide and dialkanolamide can be prepared by reacting fatty acids or fatty acid methyl esters with alkanolamine, such as monoalkanolamine or dialkanolamine at elevated temperature (1). Lately,...

Bursts of color.
[ILLUSTRATION OMITTED] What makes the beautiful colors of fireworks? Answer Bursts of Color--Fireworks are made of chemicals that glow in different colors when they are hot. Strontium nitrate glows red. Barium nitrate makes green. Chemicals that contain sodium give yellows and oranges. Those...

Dear EarthTalk: what green-friendly lawn and garden pesticides are available today? I'm particularly interested in options that won't harm my cats.
Pesticides have greatly boosted agricultural yields over the last half century, so it is no wonder, given the commercial availability of many of these synthetic chemicals, that American homeowners apply 100 million pounds of the stuff each year to make their own gardens grow bigger and faster, too. ...

Lawn care 101; Proper mowing is crucial step.
Byline: Paul Rogers COLUMN: ROOTS OF WISDOM Your lawn is supporting a cast of thousands of creepy crawlers. If we include the microorganisms, the numbers climb into the billions. However, without the presence and activities of most of the microscopic organisms, the lawn would be...

Dow buys rival; Company has Marlboro plant.
Byline: David Runk DETROIT - Dow Chemical Co. has agreed to buy rival Rohm and Haas Co. for more than $15 billion in cash in a deal that Dow hopes will fuel its growth in a more lucrative wing of the chemical-making business. "The addition...

Transport models for the coastal pollution problems in the Great Lakes.
Abstract This paper utilizes a combination of physical limnological data and two types of transport models for predicting the fate and transport of material in Lake Ontario. In the first application a near-field model combined with a lake model is used to predict the waste plume characteristics...

Wine? Certainly, sir. Red, white or green?
Byline: Anthony Manifold At a recent gathering of winemakers in Barcelona, Spain, Al Gore, better known today as a global warming guru than former U.S. vice president, lauded the wine industry for trying to bring about a more eco-friendly environment. No one questions the worth of these...

CHEMICAL QUARREL.
Byline: Matt Cooper The Register-Guard To spray or not to spray? That is, once again, the question in Lane County. The county public works department, citing cuts to staffing, wants to use herbicides along roads for the first time in five years. Critics...

REGIONAL DIGEST.
COLUMN: REGIONAL DIGEST Chemical mix forces evacuation WEBSTER - A homeowner improperly mixed a herbicide and an ant killer Saturday, leading to a foul smell, skin and respiratory irritations and the evacuation of six homes in the Whitcomb Street area, according to Fire Chief Gordon...

Last resort, no resort.
Byline: The Register-Guard Lane County has a policy of spraying herbicides to clear weeds from roadsides only as a last resort. In practice, herbicides have not been used at all for five years, and on Wednesday the Board of Commissioners, acting as the Board of Health, voted...