Posts Tagged ‘science’
Surgeons and dentists have what are surely among the most demanding of jobs. They must perform precisely every day. Surgeons usually have only a single chance to get a surgery just right and they rely on having proper overhead lighting. Surgical headlights offer surgeons and dentists the additional light they need where they need it to make sure that every job is done to the utmost precision.
Medical professionals like dentists and surgeons don’t have the latitude to make mistakes. In the majority of jobs, a mistake can typically be remedied. However, when surgery is your trade, a mistake can have serious and even fatal consequences. Doctors and dentists are at risk for malpractice suits, making performing perfectly every time a must.
New surgical headlights and dental lighting accessories are a welcome development in the eyes of medical professionals. They are lightweight, comfortable and provide exactly the right light while being so comfortable that it’s easy to forget that they’re there.
A well designed surgical headlight is much more than just another light. These headlights provide full-spectrum lighting which shows things in their natural colors and eliminate shadows for a clear view. Diagnostic procedures often rely on being able to see precise colors, especially for dermatologists.
One common problem experienced by dentists is that when they need to move in close to examine their patient’s teeth, they often end up blocking their overhead lights. With proper dental lighting accessories, this is no longer a problem. Lights can be moved to exactly where they are needed for an optimal view.
It’s not only the operating room where lighting is important. Your examination room should also be lit with high intensity lighting which provides optimal color matching and shadow free illumination with no glare. Your lighting should provide full spectrum lighting which mimics natural light at a range of 4000 to 6500 Kelvin RA 85-93 with an infrared filter to reduce heat. Your examination room should be lit with quality lights which do not suffer from the strobe effect which garden variety fluorescent lighting suffers from.
Physicians also run into the difficulty of having to block their own light in order to make close examinations. With a surgical headlight, doctors have ideal lighting anywhere they need it. This permits for accurate diagnoses and quality surgical headlights are the ideal accompaniment to the magnifying loupes often used in dentistry. The best of the new generation of surgical headlights are easily portable and extremely light. They can be kept in a pocket, worn on a headband or clipped to a lapel. Since they weigh around seven ounces, they’re so light you may forget it’s there. They can be continuously used for up to 12 hours thanks to their advanced rechargeable lithium ion batteries. The UV light produced by these new surgical headlights illuminates without being irritating to your patient’s eyes.
One thing which every surgeon and dentist needs is high quality lighting. The right lighting allows you to limit mistakes and proper dental lighting and surgical headlights permit accurate diagnosis, improve your working conditions and generally make the job of a dentist or surgeon easier; and your patients will notice the difference too!
The main derivative of antimony metal is antimony trioxide. The many uses of this product include things as varied as a catalyst, an opacifier, a flame retardant synergist, a clarifying agent, or a white pigment. The industries that use antimony oxide are as varied as its applications. Plastics, textiles, glass, paint, and construction are just a few of the industries that use antimony.
Antimony oxide itself is not a flame retardant, but a flame retardant synergist. The antimony is paired with a halogenated compound which is the actual flame retardant. To achieve the same amount of fire protection you only need to use half as much halogen if you include the antimony synergist. Many different kinds of materials use the antimony/halogen combination for flame retardant additives. Some of the most common plastics are high impact polystyrene (HIPS), ethylene propylene diene M- class rubber (EPDM), polyethylene (PE), epoxies, polypropylene (PP), polyvinyl chloride (PVC), acrylonitrile butadiene styrene (ABS), polyurethanes, and phenolics. Plastics companies use many additives like halogen flame retardant in a variety of ways. You can buy antimony trioxide in large supersacks or multi-walled paper bags of various sizes. Other packaging options include drums or kegs. This is similar to how halogen flame retardants are sold. If industrial hygiene is a concern, you can find some companies that will sell you a liquid dispersion that includes both already mixed in the right ratios.
Another use of antimony trioxide is as a clarifying agent for glass. Many glass manufacturers purchase antimony oxide clarifying agent to help with the quality of their product. The clarifying agent is added to glass to make it clear from inclusions and clear in color. The bubbles, inclusions, and colors that the glass maker does not want in the final product are removed by adding the antimony during the meltdown process. Sand has many natural impurities and they will lead to light blue or light green glass if it is not treated with a clarifying agent. Antimony is widely considered a good choice because it does not react with ultraviolet light over time like some other clarifying agents. One example is with manganese oxide which turns the glass purple over time as it starts to break down.
{Antimony is also used as a catalyst in the polymerization of polyethylene terephthalate or PET.The polymerization of polyethylene terephthalate or PET requires a catalyst and antimony is used for that purpose as well.} PET is a very common substance as it is used to make water bottles and other liquid containers among other things. Antimony that is used as a catalyst is usually of higher purity than the product used for glass or flame retardants. Many PET plants use antimony because it has a good cost to performance ratio. Other catalysts may work better than antimony but not enough because they are still too expensive.
Because it is a white powder, antimony is sometimes used as a white pigment It can be used as an opacifier for the porcelain and enamel industries often. Companies can purchase antimony is many ways like as a high purity antimony trioxide catalyst and as a result it is used in many final products. Almost everyone will come into contact with a product that used antimony oxide in the manufacturing process or contains antimony trioxide purposefully every day. It is a very useful material.