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Spectracide Stump Remover Discontinued However Tannerite may contain other things like ammonium perchlorate. https://en.wikipedia.org/wiki ...	15-3-2025 at 11:28 by: Cathoderay
Best thing/way to clean hotplate? Corning recommends non-abrasive cleaners You might try a "Glass cook top" cleaner. It may similar t ...	7-3-2025 at 07:40 by: Cathoderay
latest glassware purchase Some additional information. Light Dispersion. https://en.wikipedia.org/wiki/Dispersion_(optics) ...	6-1-2025 at 10:52 by: Cathoderay
latest glassware purchase Morgan, that could be a dispersion prism used in a spectroscope. Something that separates light int ...	6-1-2025 at 10:23 by: Cathoderay
Chemical Price Comparison Software in the making.. I have ordered many things over the years from McMaster-Carr as an individual. The shipping method i ...	17-12-2024 at 15:41 by: Cathoderay
Uses for a sodium vapour lamp Not a lot of chemistry uses. Some physics uses. One scientific use of a sodium lamp was the Michels ...	4-12-2024 at 17:58 by: Cathoderay
Mystery Glassware Identification Thread [rquote=695790&tid=31602&author=Organikum]Got this lamp, labeled "Phillips M13", 0,5 ohm and ...	24-11-2024 at 10:42 by: Cathoderay
Mystery Glassware Identification Thread My guess is that the small gray cylinder near the pump input is a vacuum switch. When the vacuum get ...	2-12-2023 at 08:02 by: Cathoderay
High Vacuum Systems akmetal Did you look at the datasheet for these things? I don't think you have any idea of how dif ...	24-11-2023 at 17:10 by: Cathoderay
Sulfuric acid purification problems I noticed in the comments of that NileRed video that someone said they tried the peroxide method wit ...	22-11-2023 at 11:23 by: Cathoderay
Sulfuric acid purification problems I thought I posted something last night but it isn't here now. I must have clicked the wrong thing. ...	21-11-2023 at 09:53 by: Cathoderay
Sulfuric acid purification problems OK. That type of precipitate is called "flocculent". That could be something organic if you didn't ...	20-11-2023 at 09:51 by: Cathoderay
Sulfuric acid purification problems Seems like "Out of the frying pan and into the fire." That seems like that is a lot or precipitate, ...	19-11-2023 at 19:56 by: Cathoderay
Sulfuric acid purification problems Manufacturers mix additives to sulfuric drain cleaners (inhibitors) so that it is less corrosive to ...	17-11-2023 at 18:49 by: Cathoderay
Help with calculations for copper plating solution The solution to use depends on what you are doing. Some baths are best for building thick layers of ...	26-10-2023 at 06:50 by: Cathoderay
Manufacturer claims their skillets can withstand temperature of 30000 F Well the devil is in the details. As far as I can see the manufacturer does not say the pans can wi ...	21-10-2023 at 09:57 by: Cathoderay
The logic behind symbols of chemical elements ? That Wikipedia article is a very condensed history which doesn't do it justice. Naming of the elem ...	11-10-2023 at 09:23 by: Cathoderay
Crystal Growing I have heard of coating the inside of the container with wax. Don't let the solution get between th ...	21-9-2023 at 16:46 by: Cathoderay
silver from silver-solder ? [rquote=686809&tid=10833&author=Fantasma4500]just wanted to share my success with seperating ...	19-8-2023 at 16:27 by: Cathoderay
Chemical Testing Questions Carlrodeo, it somewhat depends on how badly you want to know about the purity. I'm interested in ...	16-8-2023 at 09:47 by: Cathoderay
Chemical Testing Questions [rquote=686619&tid=159798&author=carlrodeo][rquote=686617&tid=159798&author=Cathoder ...	14-8-2023 at 09:49 by: Cathoderay
Chemical Testing Questions I don't know where you found that procedure, but it won't work to find the purity of the Na(NO3). K ...	13-8-2023 at 10:45 by: Cathoderay
Did I ruin my digital vacuum gauge? No I don't have a digital gauge, but I have used dial mechanical gauges. The problem would just b ...	17-4-2023 at 14:46 by: Cathoderay
Did I ruin my digital vacuum gauge? Chemist1357, another way of explain it is that you are measuring the temperature at one spot (boilin ...	17-4-2023 at 08:04 by: Cathoderay
Mel-Temp Replacement Bulb It would be vitally important that you read the voltage rating on the bulb base. It isn't quite cle ...	14-4-2023 at 15:38 by: Cathoderay
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