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FAQ

I heared the aluminum weakens or melts.

Mercury readily combines with aluminium to form a mercury-aluminum amalgam when the two pure metals come into contact. However, when the amalgam is exposed to air, the aluminium oxidizes, leaving behind mercury. The oxide flakes away, exposing more mercury amalgam, which repeats the process. This process continues until the supply of amalgam is exhausted, and since it releases mercury, a small amount of mercury can “eat through” a large amount of aluminium over time, by progressively forming amalgam and relinquishing the aluminium as oxide. Aluminium in air is normally protected by a thin layer of its own oxide, which is not porous to mercury. Mercury coming into contact with this oxide does no harm. However, if any elemental aluminium is exposed (even by a recent scratch), the mercury may combine with it, starting the process described above, and potentially damaging a large part of the aluminium before it finally ends.

I have heard that aluminum may be a contributing agent in causing Alzheimer's disease, and that if we drink from aluminum cans, that we get aluminum into our system from them. It seems like this would be pretty easy to test in a laboratory, whether or not there are aluminum particles in the contained beverage. But I have heard or read that the inside of the cans are coated with something. So is this just typical uninformed rumors from the Internets, or is there anything to it? Hate to sound rude, but I am not really interested in opinions, like Well I don't think they would sell them if... or Oh yes, I think you get lots of aluminum from it. I am only interested in facts, not gut feelings or opinions.

I recently covered this in a materials science class I am taking. My professor is Dr. Han Choo. Most aluminum cans have a coating of epichorohydrin. This is not to keep out the aluminum from the drink, but rather it is meant to keep the drink from reacting with the can(many sodas can actually eat through metal). The reaction of the soda with the can ruins the taste which is obviously something soda companies do not want. Aluminum also does not cause Alzheimer's. The metal is considered poisonous in large quantities and the FDA restricts the amount that can be added to drugs, food, drink, etc., but scientific consensus states that there is no link between Alzheimer's disease and aluminum. As far as BPA(Bisphenol A) health concerns go, there is little evidence proving any real harm to adults. The problems are only seen in offspring of the rodents being tested with BPA. For the most part there is little concern about the negative results of BPA exposure. There has not been any clear links in humans yet either. Extensive testing is still being done and BPA might be marginally dangerous to infants, but I wouldn't worry about it too much. If you still wish to guard yourself against BPA you should be aware that BPA is used in almost all commercial plastics and can liners(bottles, canned food, food storage containers, etc.) not just in aluminum cans.

I don't know, I see a metal is a metal. I understand that a bike shop bike has better service and the bike has better components. Yet I just feel the frame of a $500 bike store bike and a $100 bike from Walmart using aluminum is the same. It's like people charging $100 for audio/video cables when a $1 no-name cable works the same for tv. Is this the same marketing ploy in the bike industry?I see a Mongoose bike for $500 to $1000 on their website, yet I see one with the same frame metal at Walmart/Kmart for only $100. Mongoose is a reputable name. What gives?What do you think? Is the metal quality in a $500 aluminum bike shop bike the same as a $100 aluminum department store bike?

There are several different alloys of aluminum used to make bike frames. A $500 bike is probably made from a higher quality alloy than a cheap $100 bike frame. Apart from the alloy used, the quality of fabrication will also be better in a more expensive bike. The components used on the more expensive bike will also be much better. The better bike will also be available in a variety of frame sizes, important if you are taller or shorter than average. There is a lot more to bike quality than the description of the metal used to make the frame and the difference in quality between a bike selling for $100 and one that sells for $500 is huge.

Yes, there are specific maintenance requirements for aluminum coils. Aluminum coils are commonly used in HVAC systems and require regular cleaning and maintenance to ensure optimal performance and longevity. Some of the maintenance requirements for aluminum coils include: 1. Cleaning: Regular cleaning of aluminum coils is necessary to prevent the buildup of dirt, dust, and other contaminants. This can be done using a soft brush or a vacuum cleaner with a brush attachment. It is important to clean both the fins and the surface of the coils to ensure proper airflow. 2. Inspection: Regular inspection of aluminum coils is essential to identify any signs of damage or corrosion. Look for any bent fins, leaks, or signs of wear and tear. If any issues are detected, they should be addressed immediately to prevent further damage. 3. Coil Protection: Applying a protective coating to aluminum coils can help prevent corrosion and extend their lifespan. There are various coatings available in the market specifically designed for aluminum coils, which can provide an additional layer of protection against environmental factors. 4. Air Filter Maintenance: The air filters in HVAC systems play a crucial role in maintaining the cleanliness of the coils. It is important to regularly clean or replace the air filters to prevent the accumulation of dust and debris on the coils. Clogged filters can restrict airflow and reduce the efficiency of the system. 5. Regular Maintenance Schedule: Creating a regular maintenance schedule is essential to ensure that all necessary maintenance tasks are performed on time. This can include cleaning, inspection, and any other specific requirements recommended by the manufacturer. It is important to consult the manufacturer's guidelines and recommendations for specific maintenance requirements for aluminum coils, as they may vary depending on the type of system and application. Following these maintenance requirements can help ensure that aluminum coils function efficiently and have a longer lifespan.

The specific requirements and industry standards determine the various coil slitting widths available for aluminum coils. The width range for slitting aluminum coils can vary from as narrow as 0.5 inches to as wide as 72 inches or more. The coil slitting facility's equipment and capabilities determine the exact range of available widths. These widths are tailored for different applications and industries, including automotive, construction, packaging, and electronics. Common coil slitting widths for aluminum coils are 12 inches, 24 inches, 36 inches, and 48 inches. However, it is essential to note that custom slitting widths can be requested to meet unique project needs.

The weight and thickness options for aluminum coils can vary depending on the specific needs and requirements of the project or application. Generally, aluminum coils can range in weight from a few hundred pounds to several thousand pounds, while the thickness can range from a few millimeters to a few inches. It is important to consult with a supplier or manufacturer to determine the appropriate weight and thickness options based on the intended use of the aluminum coils.

The expected lead time for manufacturing aluminum coils can vary depending on several factors. These factors include the complexity of the coil design, the size and quantity of the coils being manufactured, the availability of raw materials, and the production capacity of the manufacturing facility. In general, the lead time for manufacturing aluminum coils can range from a few weeks to several months. For standard-sized coils with a simple design and readily available raw materials, the lead time is usually on the shorter end of the spectrum. On the other hand, if the coils have a complex design or require specialized materials, the lead time may be longer. Additionally, the production capacity of the manufacturing facility plays a significant role in determining the lead time. Facilities with higher production capacities can typically manufacture and deliver aluminum coils more quickly than those with lower capacities. It is important to consult with the specific manufacturer to get an accurate estimate of the expected lead time for manufacturing aluminum coils. They will be able to assess the specific requirements of the project and provide a timeframe that aligns with those requirements.

I'm having trouble with another chem problemAluminum sulfide reacts w/water to form aluminum hydroxide and hydrogen sulfide. Write the balanced chemical equation for this reaction and find how many grams of aluminum hydroxide are obtained from 14.2 g of aluminum sulfide.I already found the balanced equation but I need help on finding how many grams of aluminum hydroxide are obtained from 14.2 g of aluminum sulfide. Can someone please explain how it's done?

No way!! because of the fact inspite of the bat, the helmet and the shin guards the undergo is plenty larger than a human and is going to basically get mad from the bat and kill you. Nope $800,000 isn't something for that!