Surveys suggest that most Americans consume less than the RDA for copper each day. Up to 10,000 micrograms daily appears to be safe for consumption in adults. Vegan diets appear to provide adequate amounts of copper. In a number of clinical trials copper doses of 2-10 milligrams by mouth were safely used in patients. For plaque inhibition, a 1.1mM copper rinse has been used for four days.
Best Answer: Petroleum jelly or petrolatum is made by refining a byproduct of oil drilling. Petrolatum is a semi-solid mixture of hydrocarbons, having a melting-point usually ranging from a little below to a few degrees above 100Â° F (37Â° C).etroleum jelly is made by touching-up a byproduct of oil drilling, or some left over products of oil drilling. Vaseline is a well-known brand of petroleum jelly. Source(s): http://en.wikipedia.org/wiki/Petroleum_j... Cap'n Eridani Â· 9 years ago. Thumbs up. 1. Thumbs down. 1. 1 comment. Loading ...
The petroleum jelly works as a lubricant on the digestive tract and will make it easier for the cat to cough up or vomit the fur ball. You can add petroleum jelly to your petâs food. Add Â½ tbsp of petroleum jelly to the catâs food, once per day until the cat eliminates the hairball. Vaseline in excess may cause diarrhea. Petroleum jelly contains mineral oil, which should be given with caution to cats, as the mineral oil will drastically reduce your petâs vitamin A deposits.