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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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DIY hand sanitiser solution forms spongy substance

I am trying to make my own hand sanitiser since it’s sold out everywhere. The formula I use is 1 part aloe vera gel in 2 parts 100% isopropyl alcohol. The problem is when mixing the two, the solution ...
Fried Rice's user avatar
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 ...
Everyone's user avatar
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3 votes
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Isopropyl Alcohol Vs Acetone for Dissolving Organic Contaminants on PCB

Acetone is widely used in the labs as a solvent to clean the vials and tubes as it is good solvent for organic materials. While Isopropyl alcohol is used as a rubbing alcohol for cleaning contaminants ...
gfdsal's user avatar
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2 votes
0 answers
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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?
Aina Razali's user avatar
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 ...
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2 votes
0 answers
193 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 ...
Dennis's user avatar
  • 129
2 votes
0 answers
386 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 ...
Jade zavala's user avatar
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. ...
Jason C's user avatar
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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 ...
Hans's user avatar
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2 votes
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340 views

Can acetic or citric acid be too highly concentrated when used for cleaning copper?

I intend to clean a copper surface with acetic or alternatively citric acid. There are many different concentrations recommended by different sources on the internet. For example vinegar with 10% acid ...
JMC's user avatar
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2 votes
0 answers
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Cleaning of chlorbutyl plungers

This is my first post, so please bear with me. At work I have some chlorobutyl plungers that I need to clean from any residual material that might be left after production. A colleague of mine told ...
David's user avatar
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2 votes
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Crusty white armpit stain that can't be removed by washing

Some of my t-shirts (the ones that are 100% cotton) started developing this strange armpit stain: it makes the fabric feel brittle and crusty around it; it can't be washed off with water and ...
L3ul's user avatar
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2 votes
0 answers
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What would be a safe/good surfactant for ultrasonic cleaning vinyl records + distilled water and isopropyl alcohol

Title pretty much says it all besides the type of records I believe are pvc (60s - current, someone correct me if there may be other materials but I absolutely don't have any shellac records) and I ...
Tim's user avatar
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2 votes
0 answers
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Why does the black powder that comes off aluminum pans behave the way it does?

When I wet an aluminum pot or cookie sheet and then dry it with a towel, it creates dark gray marks on the towel. This happens more if the aluminum is a little rough. It seems that there's a fine ...
Mark Foskey's user avatar
2 votes
0 answers
341 views

How paper-tag survive in the dry-cleaning process?

This prevent the clothes from being ruined by ink on the paper tag. To put the garments attached with this paper through the whole process of dry-cleaning, I have the questions listed below paper ...
pakornosky's user avatar
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 ...
Matt's user avatar
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1 vote
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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 ...
Jason C's user avatar
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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 ...
Mikkel Rev's user avatar
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 ...
Bunny's user avatar
  • 27
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 ...
Jason C's user avatar
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1 vote
0 answers
198 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, ...
Victor's user avatar
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1 vote
0 answers
483 views

Why is my washing powder not to be used for pre-wash?

Apologies but I can't find a more suitable stack exchange website to ask this question. I feel the technical answer is chemical in nature so I landed here. For at least the past two years (and on-...
MrVimes's user avatar
  • 119
1 vote
0 answers
37 views

Homemade Fabreze mystery substance

My wife made a cleaning solution of isopropyl alchohol (1200mL), baking soda (100 mL) and distilled water(2400 mL). She first mixes baking soda with warm water till it dissolves. Then adds the ...
user48719's user avatar
1 vote
0 answers
252 views

Is there a chemical that will etch antimony but not stainless steel?

I am working with ultra high vacuum equipment made out of stainless steel that has been contaminated with a number of metals, but in particular Antimony. We'd like to do some machining of the ...
user25418's user avatar
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 ...
Lympadjambrus's user avatar
0 votes
0 answers
234 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 ...
user139673's user avatar
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 ...
bribina's user avatar
  • 49
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 ...
uhoh's user avatar
  • 5,850
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 ...
Patrick's user avatar
  • 11
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 ...
Haley's user avatar
  • 21
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 ...
user1543574's user avatar
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 ...
M. Reik's user avatar
0 votes
0 answers
73 views

Surfactant micelles from glassware

FYI to start- I'm not a chemist by training, so assume I'm missing some basic knowledge of the field. I've been trying to do some electrodeposition with an iridium tetrachloride-based solution, and my ...
PoGaMi's user avatar
  • 89
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 ...
Řídící's user avatar
-1 votes
1 answer
61 views

Are detergents more efficient if poured into more water?

Let's say, I am washing my cloths "by hand". My steps would be: I take a basin of about 20L I pour into it some water I pour my detergent (the required amount, about a spoon) and a bit of bleach ...
Sitak's user avatar
  • 99