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Questions tagged [cleaning]

For questions about cleaning agents and methods used to remove dirt, stains, residues, and bad smells, including proper waste disposal. For particular questions about surfactants, use the [surfactants] tag.

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4 votes
2 answers
571 views

I left scented candles in a polypropylene container. How do I remove the smell?

I left scented candles in a polypropylene container, for many weeks. How do I remove the smell? I've tried: Hand wash with Dish Soap (a few times) Hand wipe with Isopropyl Alcohol (a few times) ...
-1 votes
3 answers
77k views

Repairing acetone damage and discoloration to plastic

I used acetone on the back of my monitor to get rid of old stickers from LED strips. However it severely damaged my monitor. Anyway to undo this or repair it?
3 votes
2 answers
8k views

Bleach turned towel bright pink before fading to white

We have some relatively new white towels that were getting dirty, so we decided to clean them with bleach (standard Clorox). When we sprayed the diluted bleach on the towels they immediately turned ...
0 votes
0 answers
46 views

Cleaning Cobalt with Dodecylbenzene Sulphonic Acid

Here in Brazil we use a special detergent to clean up metals, based on Dodecylbenzene Sulphonic Acid, it is very effective at shining up all sorts of different metals. I recently acquired 2 samples of ...
0 votes
0 answers
233 views

Best ways to dissolve large amounts of candle wax?

I work for a company that occasionally rents out candles and (mostly glass) holders for events. Many times these holders come back covered in candle wax. I am looking for an efficient way to clean ...
2 votes
1 answer
784 views

How to Remove Copper Sulphate from a Leather Belt

I was careless when we were doing a routine footbath of our sheep in copper sulphate solution, and it splashed onto my leather belt. There are now little dark spots all over it, and I was wondering ...
-3 votes
2 answers
85 views

Sodium hypochlorite bleach and chromium mop handle [closed]

I have been using sodium hypochlorite bleach as a cleaning method in my house. During a two week period when I was at home I left the mop handle in the bucket with bleach in it. I did not know it was ...
0 votes
0 answers
33 views

Can I reuse LDPE bottles after trace element analysis?

I run some algae samples through mass spec a few times over the month to test the P content of algal samples. My (simplified) procedure was as follows: Put a small portion of algae in a teflon vessel ...
9 votes
2 answers
35k views

Will using vinegar harm car paint?

After having parked my car in a newly constructed airport parking garage, I came back to find something had dripped through a crack in the ceiling of the structure and left considerably thick film on ...
0 votes
0 answers
1k views

Chemistry behind cleaning with vinegar vs citric acid; do they work differently? Should I prepare the same pH solutions to compare them?

I noticed a pack of "Mysterious Citric Acid" while out shopping so I picked it up to see what the big deal was. Several palates of the stuff had just arrived at a local outlet store. I ...
2 votes
0 answers
207 views

I stained my lab workstation with Coomassie blue. How do I clean it?

I stained my work station with Coomassie blue solution during my SDS-PAGE protocol. I have been cleaning but the solution seems to can't be removed. What should I use to remove all these stains?
6 votes
2 answers
3k views

Are acids effective in removing soap scum?

In my experience, most of the commercial products intended for removing soap scum from bathroom surfaces are ineffective. No matter how long you leave it on or how hard you scrub, the soap scum doesn'...
2 votes
0 answers
88 views

Is cleaning silverware with tinfoil and salt dangerous?

Premise: I'm not a chemist and I've already had a look at this and this but they don't fully answer my question. I have read that you can clean silverware using tinfoil, salt and water, though from ...
1 vote
0 answers
88 views

Can stainless steel "soap" bars actually work or is it just deceptive marketing?

The Wikipedia — Stainless steel soap article sounds highly skeptical, although it does include a possible mechanism involving the chromium in the stainless steel binding with the sulfur compounds and ...
4 votes
2 answers
4k views

Dangers of expired bleach?

I have some unopened Clorox bleach bought over a year ago (at $8.25~\%\ \ce{NaOCl}$) and read on Wikipedia that bleach naturally decomposes according to $$\ce{3 NaOCl (aq) -> NaClO3 (aq) + 2 NaCl(...
-1 votes
1 answer
4k views

Drano and Bleach reaction? [closed]

I’m not sure if anyone can answer this but I might’ve messed up, or I’m just overreacting. My bathtub has been clogged for about a month now and I used a splash of Drano to see if it would do anything,...
2 votes
0 answers
192 views

What will remove this screen printed logo without destroying the polycarbonate safety sunglasses lens?

I bought some safety sunglasses and didn't notice until I'd taken the tags off that there's an annoying logo painted or printed right in my field of view. (You can feel with your fingertips or ...
4 votes
0 answers
73 views

Why do vessels get a better shine when tea-leaves are soaked overnight in it before washing?

The other day I dumped consumed tea leaves into a brass utensil because I needed the tea-pan urgently. The vessel with the tea leaves didn't get around for cleaning until the next day. Ergo, the tea ...
2 votes
1 answer
4k views

Isopropyl alcohol to clean germs on countertops

My wife recently found some website recommending mixing 91% isopropyl alcohol, white vinegar, water, and corn starch and using it to wipe down countertops. This would be where we put our raw chicken ...
0 votes
0 answers
33 views

Best way to bond polyethylene to to aluminum?

I am a quality engineer looking for some chemistry expertise that can hopefully assist in solving a problem we are having at our company. We are a water filtration company and our location produce the ...
-1 votes
1 answer
43 views

Brown sediment in shower, nothing works

I have an ensuite shower with white floor (or call it pad) which is from some kind of composite plastic material. Over time, brown discoloration and sediments started to acumulate in areas where the ...
0 votes
0 answers
213 views

Can vinegar be used to clean wood (a porous surface) after it has been cleaned with germicidal bleach?

I recently cleaned moldy air vents and hardwood floor with diluted germicidal bleach water (1/3 cup bleach to 1 gall). I would like to go back in with vinegar to make sure the mold stays gone, mostly ...
0 votes
1 answer
146 views

Getting magnesium chloride gunk off a wood shelf

I have a situation. Some magnesium bath salts got left on a wood shelf in my bathroom in a bag that was not closed. Being hydroscopic, it sucked up a ton of water, and then spilled onto the wood. ...
23 votes
2 answers
9k views

Vinegar and baking soda: Cleaning agent or neutralized sludge?

I've seen it suggested countless times that combining vinegar and baking soda is a great home cleaning solution, but this always seemed like nonsense to me. I recognize that baking soda, a base, can ...
1 vote
1 answer
113 views

Could mixing naphtha-based cleaner and industrial floor cleaner produce hazardous substances?

I work in a car dealership, and the guy who cleans the workshop uses an industrial floor scrubber / vac on the floor tiles. On particularly stubborn oil / soot marks, he uses naphtha-based brake ...
2 votes
0 answers
385 views

Rotten chicken smell

My boyfriend and I have a camper and he forgot to take a package of chicken out of the refrigerator before parking it. The chicken sat in the fridge which was off in the heat for a few months. We ...
13 votes
2 answers
10k views

Ammonia for cleaning - what is the interaction between ammonia and oils?

Household ammonia is recognized as being an excellent cleaner for grease and oil. My question is, how does this work? Does ammonia merely put the oils into a suspension, like a detergent does? Or is ...
1 vote
1 answer
784 views

Does sodium percarbonate break down into 'safe' compounds in water?

I'm writing this question as a wine brewer (not a chemist), so apologies if I use inaccurate terminology. I'm interested in using sodium percarbonate as a cleaning/sanitising solution for brewing ...
-3 votes
1 answer
72 views

How to dissolve cobalt ferrite spinel for cleaning reactor? [closed]

I put some cobalt ferrite powder and did some catalytic test and I can't clean my reactor very well. I have already used aqua regia, hydrochloric and nitric acids, sodium hydroxide at high ...
-3 votes
1 answer
44 views

Possible Plumbing Acid through Leaky Pipe in Floating Ceiling, How to Test/Clean?

So I had a plumber in the other day, and I don't know if he used acid drain cleaner or not. The pipe where the possible leak is, is over some drop ceiling (vinyl or expanded polystyrene). Before I go ...
6 votes
2 answers
7k views

For what reasons, is isopropyl alcohol widely used as a cleaning solvent?

I have worked in electronics and aeronautics industry 30 years ago, and I have always wondered, what were the specific properties of isopropyl alcohol, which make it used instead of other alcohols ...
2 votes
4 answers
8k views

How can I clean solid sulfur and its oxides from test tube?

I was experimenting with sulfur few years ago. The test tube I used for that purpose has still sulfur stuck onto it. I was searching for a way to dissolve it. I found an idea to try warm acetone. ...
-2 votes
1 answer
327 views

How does soap help in cleaning clothes and rinsing off oil and grease?

When we say that we agitate clothes so that grease particles get separate out from clothes as ionic part of hydrocarbon chains of soap is attached to water and non polar part of chain is dissolved in ...
1 vote
0 answers
73 views

Converting dissolved chromates to solids for disposal

I have 4 liters of electrolysis waste that was used to process stainless steel cathodes. About half of it was oxalic acid based and the other half was sodium bicarbonate based (currently stored ...
12 votes
2 answers
5k views

Soap and rain water, why does it not rinse off?

I am in Papua New Guinea at the moment, where rain water harvesting is the most common way of getting water. When washing hands, the soap feels hard to rinse off, and my skin feels "greasy". I read ...
2 votes
0 answers
52 views

Best bet for separating fused glassware

I have a sintered glass funnel stuck in a flask with a 24/40 ground glass joint. I regularly used this glassware to process very dilute solutions of uncured photopolymer resin dissolved in ethanol. ...
1 vote
0 answers
43 views

General cleaning solution for clinical chemistry applications

I want to reuse some plastic and glass items that I am using to do colorimetric concentration analysis of serum and urine. There are some enzymatic assays, mineral assays and so on. I have been trying ...
3 votes
0 answers
94 views

Can Chlorhexidine Gluconate (CHG) be used for disinfection of medical device (e.g. of polyethylene material)? [closed]

Chlorhexidine is commonly used as a skin antiseptic, hand disinfectant, endodontic irrigant etc. It possess antibacterial and antifungal properties, and is considered low toxicity when used in low ...
3 votes
1 answer
1k views

Safely lowering bleach pH without chlorine gas?

According to Eurekalert, by lowering the pH of household bleach (e.g., by adding vinegar or citric acid), we can increase $\text{[HOCl]}$ and consequently greatly improve the disinfecting capabilities ...
1 vote
1 answer
240 views

Cleaning with Hydrogen Peroxide is not a chemical process?

Reading here: if the peroxide does seem to help is that the bubbles forming and foaming is helping dislodge tiny particles in the cracks of the mineral. Is this the case in general for cleaning with ...
0 votes
0 answers
2k views

How do I clean a silk tie at the knot?

I would like to know how I can clean a silk tie at the knot. I presume it got filthy, over time, due to "fatty" fingers. I am looking for answers either based on 1) good theory or 2) personal ...
1 vote
0 answers
219 views

What caused a colour change when I mixed two different dish soaps?

I recently purchased "organic" dish soap refill made from saponified coconut oil and potassium soap (full ingredient list). Instead of waiting for the old dish soap (Dawn) to be completely ...
2 votes
0 answers
92 views

Appropriate ways to remove aluminum from the surface of glass?

I'm looking for a way to treat the surface of borosilicate glassware such that it won't contaminate solutions of puriss reagents in conditions that pure $\ce{SiO2}$ wouldn't, yet keep the bulk ...
0 votes
0 answers
139 views

Does burning plastic completely disintegrate it? Accidentally melted some plastic in a BBQ, wondering if pyrolytic cleaning is an option

I accidentally barbecued some plastic today, making quite a mess. It's a cushion for a lawn chair, so I imagine probably some sort of plastic or polyurethane. Rather than cleaning melted plastic ...
0 votes
0 answers
90 views

Is my bottle of "RooR"-brand glass cleaning liquid pure isopropyl alcohol or something else?

I have this exact bottle: https://www.grasscity.eu/media/catalog/product/cache/2b55fa971a29a7844993ad77b24950ac/i/m/img_3633_1_1.jpg I originally purchased it to clean my vaporizer (I've since stopped ...
1 vote
0 answers
47 views

Can PTFE be dissolved by aqua regia? [duplicate]

At the moment I am cleaning crucibels in aqua regia. I was wondering, whether I could stir it with a standard PTFE stirring bar or not? I am not sure if it is needed or if the normal flactuation in ...
4 votes
1 answer
21k views

How to remove formaldehyde (smell) from clothes/jeans?

Bought several jeans, then to discover they have a really nauseating smell, that is not removed by washing. Reckon it's formaldehyde, from what I can read. Anyway, assuming you have jeans with ...
3 votes
2 answers
4k views

What is the correct way to clean spectrophotometry cuvettes?

The lab I started working in has a spectrophotometer with cuvettes. The cuvettes need to be inspected and cleaned regularly. The senior people in the lab are in disagreement as to the correct ...
1 vote
0 answers
81 views

Solvent + Photopolymer Waste Disposal

I have a 3L jug of SLA printer-related waste that's been sitting under my desk for a while now and I'd really like to finally figure out how to get rid of it. It contains: Ethanol (primarily) and ...
1 vote
0 answers
197 views

How to completely remove Iron II Acetate from a steel surface through a chemical reaction?

Is there any suggestion to completely remove iron II acetate from a zinc-alloy steel surface? It can't be something abrasive, or if it is, it must be completely soluble. Background: My bike chain, ...