Instead of cleaning up the watch, it unexpectedly made the watch darker all round. We didn’t want to risk fizzing the watch into a mess, so we tried to use the settled down solution as a cleaning agent. During this process, the carbonic acid also helps dissolve away these stains. That fizzy action you see is actually the resulting carbonic acid decomposing into carbon dioxide and water. Whenever you have a greasy sink, stubborn floor stains, you have probably tried sprinkling some baking soda on it, followed by pouring vinegar over it. This is a popular cleaning formula around the house. Let’s look at some methods that are commonly recommended online, and then some that we tried out of curiosity.
#Patina green aluminum gutters trial#
We also do it so that you don’t have to go through the same trial and error to get the desired look on your bronze diver. Some apply these techniques to furnitures and ornaments to give it the recovered-from-Titanic look, some prefer the deeper brown or green hues (we get into the colour chemistry soon) that patina produces, and then there are those, such as ourselves, who do it out of curiosity. I’m sure we have heard plenty about various ways to accelerate patina on bronze. Subsequent exposures to vinegar continued to peel off or dissolve the markers. Healthy for our bodies, and apparently very cleansing for our bronze watches too! Check out the rosy tint that’s brought out with 30 minutes in lemonade! Lemon juice contains citric acid, and doesn’t hurt that it smells great too! To remove the patina in the photo below, it took approximately 30mins of soaking in lemonade (approximately 1 to 1 lemon juice and tap water). With that knowledge, we can understand why lemon juice is a highly recommended cleaning agent for bronze patina. That’s because oxides generally are more reactive with acids, and soaps are neutral or slightly alkali. As with most patina, this doesn’t come off with water and soap. We wore the watch for about 2 weeks, and it developed a natural dark brown type of patina.
#Patina green aluminum gutters full#
For all other aspects of the watch, read at the full review here. For today, we focus on the bronze of the Bell & Ross Diver Bronze BR 03-92. Because of the different composition of these alloys, the patina that forms will also differ. Bronze is a mixture of mostly copper and tin. Brass is a mixture of mostly copper and zinc. Copper is the metal element while brass and bronze are metal alloys containing mostly copper.
*WARNING: Replicate these experiments at home at your own risk! We’re not chemists, and results may include other ingredients such as luck which are not listed*īefore we begin proper, let’s set straight the common confusion between copper, brass and bronze. Today, let’s geek out and make some reactions. But like most chemical reactions, we can accelerate it by increasing concentration of the reactants, introducing catalysts or adding some heat. As it is usually a slow process, hence people see these as a sign of age and heritage. Chemically speaking, they are oxide layers that form when the reactive metals come into contact with anions (such as oxygen and chlroride ions). Patina to bronze is like rust to iron and tarnish to silver, only more desirable and beautiful.
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