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| What does smoking from an alluminum foil bowl cause |
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Posted by: Charleslax - 01-19-2020, 03:24 AM - Forum: aluminium faq
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I heard it can cause early Alzhemier\'s diseaseSmoking from aluminum foil is a VERY bad ideait will do you much more harm than whatever it is you are smoking (contrary to the answer above)It won\'t cause early Alzheimer\'s.but it wil rape you lungs and certainly won\'t do your brain any good either -steer clear!!Other related question
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| Smoking weed out of soda canaluminum foilis it really bad |
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Posted by: Raterife - 01-19-2020, 03:24 AM - Forum: aluminium faq
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PLEASE, PLEASE, PLEASE! Spare me the lecture on how you think that weed is bad or cancer causing or whatever!!!!just wanna know about smoking out of a bowl made from aluminum foil or soda canrisks? side effects? why?Smoking out/off of those things add dangerous carcinogens to the smokeI highly recommend not doing thatSmoking with a glass item is idealAs for the people answering this questionDon\'t answer with a bunch of nonsense BSPanacea: You are a moron if you truly believe all marijuana is laced with other drugsIn fact, out of the years I have been smoking I have not come across laced weed nor have I met someone else who hasYou are trying to use scare tactics to make people afraid of weed like you appear to beAlso, it doesn\'t cause Alzheimer\'s (in fact it can help with it), doesn\'t kill brain cells (studies have shown that it may actually spur new brain cell growth) and doesn\'t cause cancer.Other related question
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| Chemistry displacement of Silver |
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Posted by: Cyjykata - 01-19-2020, 03:24 AM - Forum: aluminium faq
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How many grams of aluminum must react to displace all the silver from 28.6 g of silver nitrate? The reaction occurs in aqueous solution.So you have 0.168mol of nitrateIt has a charge of -1Aluminum has a charge of 3+, so you only need 1 aluminum per 3 nitrate, or 1/3 as many AlSo that means you need 0.0560mol of Al0.0560 x 26.98 gmol 1.51g Al+3 ionThe answer above me is incorrectThey do not round properly or use use proper significant digitsThey took the molar mass of silver nitrate to three sig digits off the batThis is incorrect because the molar mass of silver nitrate is given to you, whereas you only apply sig digits to numbers you come up with yourself.Other related question
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| MathChemistry Problem |
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Posted by: Kandis12W - 01-19-2020, 03:24 AM - Forum: aluminium faq
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Here\'s the problem:A package of aluminum foil contains 50ft² of foil, which weighs approximately 8.0 ozAluminum has a density of 2.70g/cm³ (cubed)What is the approximate thickness of the foil in milliliters? Can someone please solve/explain the problem? Thank you in advance!So if we unroll the foil we have a rectangular sheetIt\'s area is 50 ft²Let\'s convert to cm²50 ft² (30.48cm/ft)^2 46451 cm²The volume of the rectangular sheet is the area times the thickness(T)46451 cm² (T) V We can calculate V based on the weight using the density and solve the above equation for TNow we know the weight is 8.0 ozLet\'s convert it to grams 8oz 28.3 gram/oz 226.4 grams Density V 226.4 g 2.70g/cm³ V 226.4 g V 226.4/2.70 83.85 cm^3 Back to this equation: 46451cm² (T) V 46451cm² (T) 83.85 cm^3 T 83.85/46451 0.001805 cmOther related question
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| Why does the melting and boiling points of the elements Sodium Magnesium and Alu |
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Posted by: Majykata - 01-19-2020, 03:24 AM - Forum: aluminium faq
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In my notes it says that it\'s because of the delocalised electrons, but what does that have to do with it when the nuclei of metals in metallic bonding are charged \'2+\'?sodium has one delocalised electron per atom and atoms have a +1 charge magnesium has 2 and +2 and aluminium has 3 and +3 the greater charge and greater number of electrons means that the atoms are held in place more securly and so they do not melt as easilyOther related question
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| Whats the purpose of seasoning Braised meats before searing them and braising th |
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Posted by: sonjazf3 - 01-19-2020, 03:24 AM - Forum: aluminium faq
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I\'ve seasoned pork shanks/ veal shanks with plenty of kosher salt, pepper, garlic powder, onion powder, thinking they would be tasting amazing, But it makes sense that the braising liquid would dilute all that flavor off them right? Because after the meat is done (3+hours), the meat itself doesn\'t even taste like it had any seasoningIs this normal??Some recipes.need to be adjustedI would try dry roasting before adding the braising liquid./ Wrap the meat-in aluminum foil-for the first hourRemove-the aluminum foil-add your liquid.to finish.(or begin a basting process)-with the aluminum foil-partially open./Other related question
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| How To Cut Aluminum Sheet Metal |
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Posted by: aluminiumsheet - 01-19-2020, 03:24 AM - Forum: aluminium faq
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Aluminum sheet metal can be cut with a variety of methods ranging from manual tools to highly advanced industrial systems. In this posting we will take a look at some of the most common types of cutting aluminum. When determining which method of sheet metal cutting is right for you you should take into consideration the factors of flexibility, speed, accuracy, finish, cost and automation. There are a few basic properties of aluminum that affect how it can be cut. One factor which helps aluminum is that it is a relatively soft metal. This means that chisels, snips, hacksaws and hand shears are effective on the thinner gauges. If your working from a garage or custom job shop a few inexpensive tools can get you well on your way.
Hand Tools
Cost : $20 – $100
Flexibility : Low
Speed : Very Slow
Accuracy : Very Low
Finish : Poor
Automation : None
Chisel and Hammer
Cutting aluminum sheet metal with a hammer and chisel is relatively straight forward, line up the edge of the chisel along the line you wish to cut and strike the chisel with a hammer. Using a softer piece of material such as wood as a backer will allow the chisel to push through the metal and prevent wear on the chisel’s tip. You will have to continue your way down the cut line cutting the metal like a can opener. This process of cutting aluminum is very slow and labor intensive. It may be appropriate if you’re working on a small project in your garage. The edge quality of this method is going to be very poor and you’ll probably need to take a file to the edge of the metal to make it safe for handling.
Snips
Tin snips, also known as aviation snips are basically highly leveraged and rugged scissors which can be used for cutting through aluminum. You will be limited to the gauge of aluminum which you can cut, anything above 18 gauge is going to be a challenge. For a reference on gauge thickness see our gauge chart. these snips come 3 basic varieties allowing for straight, left hand curved and right hand curved cuts. For most applications it is necessary to file and clean up the edges left by a snip. When cutting with tin snips it’s advised that you keep the top blade seated on the metal and pull the bottom blade up into the top blade.
Hacksaw
A hacksaw can be particularly effective for cutting small lengths of sheet metal but lends its self to cutting tubing and bar stock because the hacksaw will have a limited throat depth, meaning it can cut very far into the metal. Cutting aluminum with a hack saw will wear the blades down relatively fast compared to wood, but not nearly as fast as steel or stainless steel will.
Hand Shear
Disk blade shears are a tool which is basically a specialized can opener which features a round cutting blade and snip. Good for tight corners and leaves a nice edge compared to other hand tools, though it still may require cleaning.
Bench Tools
Cost : $100 – $1000
Flexibility : Medium – Low
Speed : Slow
Accuracy : Low
Finish : Poor
Automation : None
Straight Bench Shears
Bench mounted shears are able to cut through relatively thick sheets of aluminum though their design will tend to limit your cuts to straight lines. These types of shears lend themselves towards hobbyists and sheet metal shops doing custom or repair work. Most machines are built well and will last a lifetime if the blades are kept clean and sharp.
Beverly Throatless Shears
A common throatless shear known for one of its major manufacturers, Beverly, are common to small sheet metal shops because of their versatility and reliability. By properly spacing the cutting edge from the back plate you can achieve a nicely rounded edge which may not require additional cleaning. These shears come in three sizes, B1, B2 and B3 depending on the size and power required.
Band Saw
A carbide tipped or even standard steel blade will typically suffice for most gauges aluminum up to 1/4” thick, though you’ll have to move relatively slowly on the heavier stuff. Putting a piece of particle board or plywood under the sheet metal is said to help with the process. This may help to pull heat away from the aluminum which has the tendency to absorb the heat. In addition to this masking tape on top of the metal will also help. There ware various waxes and cutting oils which help keep the metal cool and allow the teeth to cut smoothly.
Stationary Nibbler
A single tool Punch Press which is set up to perform a nibbling operation, these tools can cut any profile within its throat however they require a wide kerf and leave a serrated edge. While cutting the aluminum it’s important to remain conscious of the eject chips from these machines, they can easily accumulate and cause a safety hazard..
Power Tools
Cost : $75 – $300
Flexibility : Medium
Speed : Medium
Accuracy : Low
Finish : Mixed
Automation : None
Angle Grinders
Cutting aluminum with any sort of grinding device is particularly challenging. Because the metal is able to absorb the heat energy and has a low melting point it can melt and re-solidify around the blade during operation causing it to bind up dangerously. Cut with the intention of removing the metal, not griding it away.
Power Shears
Hand held micro shears are very effective for cutting aluminum sheet metal because they can be directed across the sheet with relative ease. They do not generate any where near the heat of an angle grinder so melting of the metal is not a general concern. Noise, sheet vibration and the finish edge quality are common draw backs of power shears. Unless you are able to stabilize the work piece with clamps you should be familiar with how the tool is going to move itself and the sheet.
Electric Jigsaw
Handheld jigsaws provide a very mixed bag when it comes to cutting aluminum, with the right tool and the right bit or blade you can easily cut through thick sheets and other forms of stock. However with the wrong saw and wrong blade you will find yourself damaging both the workpiece and the tool.
Nibbler
Portable nibblers exhibit the same pros and cons as their bench top models. The softness of aluminum makes them viable for most light gauges.
Heat Cutting
Cost : $200 – $900
Flexibility : Medium
Speed : Medium – High
Accuracy : Low
Finish : Poor
Automation : None
Oxygen-Hydrogen Torch
Oxy-hydrogen torches are superior to acetylene version because of its clean flame. The heat from the torch combined with a steady stream of oxygen rapidly oxidizes the sheet metal and blows the weakened metal away. Cutting with an Oxy-hydrogen torch creates a lot of heat and sparks but can cut thick sheets of aluminum and move at a relatively high speed. The torch doesn’t need any sort of backing and is portable, which makes it ideal for working in difficult to reach spaces.
Plasma Torch
The plasma torch works similarly to an oxy-hydrogen torch however instead of oxidizing the metal the plasma ionizes it with a strong electro magnetic field. The speed of which you cut the aluminum will determine your edge quality, aluminum should be cut at a higher speed compared to steel. In addition to the heat from the torch this weakens the sheet metal under the torch and allows it to be blown away with high pressure air. The plasma torch is very versatile when it comes to the type of material it can cut and, like the oxy-hydrogen torch, it is easily maneuverable along a sheet and in tight places. This makes it a common choice for custom sheet metal shops.
Industrial Cutting
Cost : $10,000 – 5,000,000+
Flexibility : Very High
Speed : Very High
Accuracy : Very High
Finish : Excellent
Automation : Many Options
Plasma : A CNC controlled plasma bed is basically the cheapest form of industrial cutting available. Cutting speeds for aluminum are going to be different than those of steel. The faster you cut aluminum the cleaner the edge will be.
Water Jet
Probably the preferred method for cutting intricate or thick aluminum the water jet focus a very thin stream of water mixed with abrasives at extraordinary pressures and very high speed into the sheet metal. This jet of water eats away at the metal and leaving a clean smooth edge. Heat dissipation is not a concern with aluminum because unlike the laser systems the water jet is not melting the metal, meaning there isn’t a significant difference in the energy required to cut steel or aluminum. Water jets are surprisingly capable of cutting very thick sheet metal, up to a few inches thick with very high accuracy. Their main advantages are the finished edges, variety of materials and accuracy.
Punch Press
Punch presses use shaped tools to knock out geometry in sheet metal. Larger presses can be loaded with dozens of different types of tools for special cutting and forming. They are not typically as quick as lasers but they offer the ability to stamp, roll and form the metal while cutting. This allows for the formation of louvers, jogs,beads, and impressions which lasers cannot form. They are also typically cheaper on the front end when compared to lasers however there are maintenance costs associated with the tooling.
Lasers
Modern lasers will be effective on cutting light to medium gauges of aluminum. Because aluminum is able to more readily absorb heat compared to steel an industrial laser will require a large amount of power to melt the aluminum to allow the gas to blow through. This is possible with modern equipment and cutting 1/2” thick aluminum plate is possible. The challenge is as always the heat dissipation. See our post on laser cutting for more information.
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| Have you ever wondered why is aluminum so easy to recycle? |
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Posted by: aluminiumsheet - 01-19-2020, 03:17 AM - Forum: aluminium faq
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Well, the answer lies in its weight and strength. As an element, aluminum comes with unique properties. For example, its density is low and accounts for it being amazingly lightweight as a metal. In the same time, this lightness does not affect its strength and does not make it brittle at low temperatures - but increases. However, when it comes to high temperatures, aluminum is known to decrease its strength, making the metal easy to manipulate with and repurpose it.
Basically, aluminum's properties excel when it comes to formability, conductivity, joining and reflectivity - for which it is known to be one of the best metals to work with and repurpose. Hence, recycling it is not a tough pill to swallow, but the best thing one can do with aluminum after using it as a product or component.
Another interesting thing is that aluminum as a metal is non-magnetic and non-toxic. For its non-magnetic properties, it is commonly known as the single metal that is used in magnet X-ray devices, while the zero toxicity best comes to light when it comes to aluminum's presence in drinking water, to begin with, as well as a lot of foods and pharmaceutical products. [b]diamond plate aluminum[/b] is widely used for wall panels, wainscoting and wall tiles.
[b]Here is a little more background on aluminum metal in general:[/b]
[b]The 'Perfect' Material Out There[/b]
For many, [b]diamond plate aluminum[/b] is the material that comes from the dream books. It's lightweight and non-toxic properties as well as the versatility it is proud to have to make a metal that is easy to combine with other materials, resistant to heat and corrosion as well as conductive of electricity.
On top of that, aluminum is the most common metal in the Earth's crust and the third most plentiful chemical element in our planet. When we sum up all of these facts, we can certainly say that the world cannot live without aluminum. From drinking water to foods, soda cans and even automobiles and hi-tech airplane engines, its presence and versatility are jaw-dropping.
It is no wonder aluminum is known as the 'perfect' material out there - treasured by the ancient Greeks and Romans and transferred to us, as well as many new generations to come.
Aluminum is one of the most useful metals on the planet, as it's the second most malleable metal on earth, and the most abundant metal in the earth's crust. On the surface, [b]aluminum sheet metal[/b] is an easy to clean, low-density, non-toxic, and lightweight option that naturally generates a protective coating, so no painting is necessary. Corrosion resistance is extremely high because of the thin layer of aluminum oxide that forms when the metal becomes exposed to oxygen, preventing further oxidation. Its appearance ranges from silvery and shiny to a dull gray, depending on the roughness of the metal’s surface. Since it's so lightweight, it can be easily cast, cut, and formed. Aluminum is also a non-magnetic metal and is great for conducting heat and electricity. [b]Aluminum diamond plate[/b] sheets are one of the most used metal sheets for industrial purposes.
Most of the time, it is used as an alloy (a mixture of two or more metals) with copper, manganese, magnesium, or silicon, since it’s not particularly strong. There are hundreds of different aluminum alloys since it’s much weaker by on its own. Aluminum is an excellent and inexpensive electrical conductor and is sometimes used in electrical lines.
Typically we use [b]5052 aluminum sheet metal to custom cut your individual metal part, and aluminum sheet metal fabrication.[/b]
[b]Configure your aluminum sheet metal in 4 easy steps. Choose one of the 14 shapes you can configure online.[/b]
[b]Rectangle, Square, Triangle (different versions), Circle, divided Circle, Rectangle with a centered hole, Ring, Frame[/b]
[b]Angel, Z Channel, Hat Channel, U Channel, Tray / Box.[/b]
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o Bromine is 35 on the chart, that means it starts out with 35 protons 35 electronssince bromide is a -1, it means it took 1 extra electron away from somebody (Br - ) protons: 35 electrons:36 compound: AlBr3 since Al is a +3 , it needs 3 Br-1 \'s to balance it outOther related question