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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33 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 ...
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38 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. ...
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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 ...
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0answers
24 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 ...
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1answer
72 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 ...
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24 views

Ratio of LABSA to washing soda in detergents

I have read various formulations of detergents involving combining linear alkyl benzene sulphonic acid (LABSA) with sodium carbonate, but in differing proportions ranging from 1:2 to 1:4. Why would ...
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51 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 ...
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0answers
63 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 ...
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63 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 ...
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54 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 ...
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43 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 ...
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35 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 ...
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50 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, ...
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2answers
146 views

Electrolysis of copper chloride in solution of Vinegar + H2O2 + NaCl after copper etching

I did copper etching (to make a PCB) using a solution of vinegar + H202 + NaCl and now I need to dispose the solution. There is no waste collection for this kind of stuff where I live, so after some ...
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39 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 ...
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1answer
83 views

Phosphoric acid spill cleanup

While working with some rust converter (MSDS, ~20% phosphoric acid by weight), a sequence of events that would make Rube Goldberg proud led to me spilling about 500mL of it all over the place. Yes I ...
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2answers
1k views

Cleaning with vinegar and sodium bicarbonate

Mixing sodium bicarbonate with vinegar (and sometimes adding dishwasher detergent) is quite a common tip on the internet. But I have never understood the reason. I saw there was a question about using ...
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0answers
58 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 ...
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1answer
38 views

What is best to clean mold off PVC plastic window frames?

To remove black mold on window sills right next to the glass pane (as a result of condensation), I usually use a combination of water and dish soap or diluted bleach. Is there another chemical that ...
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2answers
77 views

Chemical difference between hand sanitizer vs hand wash? [closed]

Is there any major difference between hand sanitizer and hand wash? Is it safe to use hand wash only alone, without use of water?
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0answers
22 views

Powdered Dipropylene Glycol Monomethyl Ether [closed]

Entrepreneur here, background in electronics, so thank you in advance for your patience with me. Question: Is Dipropylene Glycol Monomethyl Ether available as a powder? If not, is there a powdered ...
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34 views

how to remove acetone free nail polish remover from a thinkpad laptop keyboard? [duplicate]

I had dried spraypaint on my laptop keyboard and I tried my oxx studio brand nail polish wipes (ingredients; propylene glycol, dimethyl adipate, dimethyl glutarate, dimethyl succinate, caprylic/capric ...
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3answers
3k views

Why are acetic acid and sodium bicarbonate mixed to unblock a drain?

I have always wondered about the rationale behind combining white vinegar and sodium bicarbonate to perform household cleaning jobs, and to unblock drains. I would have expected white vinegar to act ...
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0answers
4k views

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 ...
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0answers
37 views

What would be the best combination to clean polyurethane [closed]

I am struggling to find the best composition to clean old golf balls and make them white again. The balls are made out of different types of coating, e.g. polyurethane or an isomer. I have found ...
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2answers
39 views

How to properly clean spilled battery content?

I was cleaning my wardrobe when I found some huge white-brown blots where there was a lot of batteries that I have use. I was keeping them for properly disposal but I forget to do that. I ...
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0answers
2k views

what is the relationship of Salt, White Vinegar and Water to create 1 liter of Hypochlorous Acid [closed]

What is the relationship of Salt, White Vinegar, and Water to create 1 liter of Hypochlorous Acid (for disinfecting and cleaning purposes), and how much time do I have to put it under a 9v battery ...
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281 views

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 ...
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1answer
880 views

Cleaning with Vinegar - what surfaces does it react badly with? Metal window sills ok?

I'm cleaning up some mould around the home and I have some substance on my window sills which I'm not quite sure if it's dirt or mould. I have read about using Vinegar to clean up mould, but an ...
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1answer
64 views

Why does saliva clean so well?

I notice that saliva seems to clean well, much better than plain water. For example, tar spots on the car can be difficult to get off. I typically use really powerful solvents to get them off, like 95%...
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0answers
292 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-...
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2answers
2k views

Strange Sticky Substance on Digital Camera [closed]

I purchased a used Canon Powershot A1100 IS camera online. When I received it in the mail it had a very strange sticky substance that looked like a thin film. It resisted attempts at cleaning. Water, ...
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1answer
579 views

Is propanol 1-2 diol 178 the same as propylene glycol?

I clean vinyl records in an ultrasonic vinyl record cleaning machine the manual states it uses propanol 1-2 diol 178 as a surfactant. I think this is the same chemical as propylene glycol. Is it?
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0answers
28 views

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 ...
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2answers
19k 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 ...
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1answer
69 views

What chemical can be used for getting rid of hard water spots on cars?

Most water spot removers available on Amazon or automotive stores are just fine abrasives which remove a small amount of your car's clearcoat every time you use them. I'm looking for a chemical which ...
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1answer
205 views

How to remove wash anthracene oil/creostae oil from stainless steel tanker?

I once loaded anthracene oil/creosate Oil in my stainless steel tanker and I had to transport it to some factory. The material was inside the tanker for throughout the journey that was of around 8 ...
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1answer
146 views

Removing PTFE marks on glass bottles after using magnetic stir bars

I am using magnetic stir bars to agitate solutions for 4 weeks at a time. I have noticed at the bottom of the glass bottles that white marks have accumulated where the stir bar spins. Even with ...
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2answers
4k views

Does the main washing effect of soap come from foam?

I am curious if the main cleaning effect of soap comes from its foam (or, maybe, it is just a by-product). Here are some points, that might clarify what I mean: Does foam sort of "carry" dirt and ...
2
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1answer
705 views

Is it considered safe to sonicate with flammable solvents?

I use a sonicator at work in a cleaning process. It involves sonicating acetone, NMP, and IPA. We would like to move forward with other flammables as well. We currently do the work in a hood, but no ...
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5answers
627 views

How can I clean stained garden rocks?

I have some white garden pebbles which are now yellow with trace of rust. I have tried to soak them in bleach diluted with water without success. Could I receive suggestions of an appropriate ...
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0answers
89 views

What neutralizes the active ingredients (napthalene and/or paradichlorobenzene) in moth balls? [closed]

Question: What is effective in removing residual moth ball smell from inside a car? Issue: We used moth balls in our car to rid it of mice. (Never do this; it does not work.) We removed the moth ...
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1answer
84 views

Suitable safe cleaning solution for aliphatic urethane

I am looking for a suitable cleaning solution for a sprayed on coating that is an acrylic aliphatic urethane. My end goal would ideally be something that can neutralize rust, whiten and brighten the ...
3
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1answer
94 views

Which component in my tap water "scale" does not react with acid?

Where I live we have pretty hard tap water and so I'm used to scale build-up in kettles and on bathroom tiles, easily removed with acids (it's mostly calcium carbonate I guess). However it seems a ...
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3answers
10k views

Aluminium foil on windows: what is the residue, and how to remove it?

I put aluminium foil on some windows' glass pane wetted with plain tap water, as a typical trick to stop sunlight. After 5 days, I removed the foil to find some kind of whitish pattern on the glass. ...
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1answer
86 views

Function of 'organic' vs regular pipe cleaner

Recently, I needed to buy some pipe cleaner, as sometimes even with care hair and other detritus gets lodged so deep down the shower drain that it is not possible to get it out. I always try to avoid/...
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1answer
289 views

Is *rinsing* (after washing) with cold water is as efficient as rinsing with hot water?

Let say I have, a dishwashing soap, plenty of cold water (5 °C) and only have 2 L of hot water (60 °C) to clean a t-shirt with oil stains. Should I use the 2 L to wash the t-shirt and then the cold ...
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1answer
520 views

How to safely clean tantalum jewelry

I have some tantalum jewelry that I would like to clean. I've tried just soap and water to no success, so I wanted to try one of the standard at-home cleaning methods, like this one that uses foil, ...
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1answer
53 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 ...
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1answer
665 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 ...