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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21 views

Vaccum cleaning vs old fashion cleaning: a cloth and water [closed]

What are pros and cons of these two ways of cleaning the floor mentioned in the title in the modern household? (For the simplicity can you exclude time consumption (the size of the household) from the ...
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171 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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34 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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3answers
3k 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
84 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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1answer
36 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 ...
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1answer
142 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
2k 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 ...
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3answers
3k views

Can baking soda or citric acid help clean a pot with burned-in milk rice?

The other day I was cooking milk rice and forgot about it so it burned a little on the bottom. This lower layer was very hard to clean. A lot of websites recommend boiling water in the pot with baking ...
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1answer
41 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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17 views

Can triethylene glycol be used to remove polypropylene from the die during the glycol bath process?

We use the glycol bath die cleaning process in order to clean our die which are used to extrude materials from PBT and PET. Can triethylene glycol be used in order to clean a die containing ...
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57 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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4answers
35k views

Sulfuric acid fumes from cleaning shower drain

This morning a workman came by to my newly rented property to fix a few things, among which a slightly blocked bathtub drain. He let some mild water run continuously and he poured down a chemical, ...
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1answer
60k views

Chemicals to clean natural stones

I picked up some stones from a hiking trip. What can I use to thoroughly clean the mud and other hard deposits on the surface of the stones? I have only washed them with plain water.
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2answers
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Why is caustic soda (NaOH) used to clean beer bottles?

I see in many blogs in the internet that cleaning bottles with $\ce{NaOH}$ is very effective. I also realize that industries use caustic soda to clean bottles. Why is caustic soda very effective at ...
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0answers
22 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
3k 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
43 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
97 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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3answers
7k views

What causes the smell in rotten meat-grease and how can I get rid of it thoroughly?

We've just spilled the can of used meat-grease we collect so that it doesn't go down the drain and it turns out it was rotten. Now the granite counter-top and the wood-laminate floor of the kitchen ...
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2answers
2k 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 ...
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5answers
97 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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1answer
171 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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53 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
919 views

Disrupting the chemistry of oobleck so that it behaves like a newtonian fluid

Oobleck (a mixture of cornstarch and water) is a non-newtonian fluid, so it acts like a solid when under pressure, and like a liquid otherwise. My question is this, is there anything you could mix in ...
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1answer
81 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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1answer
4k 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 ...
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1answer
153 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
55 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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2answers
2k 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(...
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1answer
5k views

What could happen when mixing bleach with other cleaning residue?

I have a wall covered in mold. I have used various cleaning wipes attempting to clean it, including a vinegar mixture. I now want to spray the wall with a bleach cleaner. I am concerned for fumes from ...
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0answers
792 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 ...
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2answers
446 views

What happens to potassium bitartrate (cream of tartar) at temperatures exceeding 1000°F?

What happens to potassium bitartrate (cream of tartar) at temperatures in excess of $\pu{1000\!^\circ F}$? For example, if it is placed on an oven bottom and then run through a self clean cycle.
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1answer
313 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
46 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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5answers
26k 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?
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1answer
223 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 capabilites ...
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3answers
5k 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. ...
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1answer
57 views

What are the best cleaning agents for carbon residues on glassware?

Introduction Recenly I wanted to isolate some ascorbic acid (Vitamin C or chemically - $\ce{C6H8O6}$). I've put the filtered solution (I had to filter it because of the binder) in a flask and heated ...
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2answers
15k views

Acetic(vinegar) and citric acid as the rust remover

I tested, separately, acetic and citric acids for cleaning steel parts. After 24 hours I have moderate results for acetic acid, and good results for citric acid. But in both cases, rust doesn't ...
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2answers
1k views

How to clean a copper pan from black burned fat chemically?

I have several copper pans which I use daily. I don’t have the time to always clean them. Now they have a thick crust of black burned fat. When I wash it with dish soda, nothing changes. And I don’t ...
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1answer
240 views

Solvents for tartrates / tannins that won't attack glass

At the bottom of my wine decanter (which due to its shape is fantastically hard to clean mechanically) a layer of reddish brown precipitate forms. I believe this is probably potassium bitartrate ...
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1answer
3k 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 ...
3
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1answer
11k 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 ...
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1answer
685 views

Rust removal ended with black oxide on the metal?

I have tried to remove common red iron rust from a small piece of metal that looks like steel. I submerged it into hot water with a bit of citric acid, and let it sit overnight. In the morning I ...
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2answers
3k views

Reuse 20 litre plastic drums for drinking water?

Would you consider it safe to clean and reuse a 20 litre plastic drum that contained 36% Hydrochloric Acid for drinking water? If so how would you recommend cleaning it?
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1answer
47 views

Washing stainless steel separator from organic residue

In my lab we have a stainless steel separator for liquid products of one of our hi-pressure catalytic testing assembly. It is a steel cylinder with two short pipes and one another short pipe with a ...
2
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1answer
2k views

How to remove paraffin wax drop from cam lense glass?

When I put a my cellphone on a table for charging, some drops of paraffin wax were laying there which I couldn't see. After some time during charging, heat melted the paraffin wax and it stuck on the ...
3
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1answer
15k views

Yellow stains after cleaning silver

I've recently moved to a old house and found some stuff in the attic, along that I found some really beautiful silverware(??) that unfortunately was VERY tarnished, one of the pieces was totally black ...