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 ...
Petroleum jelly, petrolatum, white petrolatum, soft paraffin or multi-hydrocarbon, CAS number 8009-03-8, is a semi-solid mixture of hydrocarbons (with carbon numbers mainly higher than 25), originally promoted as a topical ointment for its healing properties.etroleum jelly is a mixture of hydrocarbons, having a melting point usually within a few degrees of human body temperature, approximately 37 Â°C (99 Â°F).