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The bleaching process has been known for millennia, but the chemicals currently used for .... (calcium oxide) is known as "tropical bleach". Percent active chlorine in these materials rang...

Shelf Life of Bleach/Water Solutions | Clorox


Nov 4, 2010 ... Regarding how long you can store a bleach solution, it depends on ... can cause the liquid bleach active to break down into salt and water.

Everything You Always Wanted to Know About Bleach But Were ...


Feb 13, 2006 ... Bleach is so common in the home and in the lab, it's easy to assume that using it is a no-brainer. You pour some out and it kills germs, right?

How Bleach Has Changed and What You Need to Do About It ...


Aug 27, 2014 ... Household bleach is an inexpensive and effective way to sanitize around the ... It is now sold in “concentrated” form with more active ingredient. .... salt (NaCl) in solution… not sure how long it'll be until they have to list that too.

Fact Sheet Disinfection Using Chlorine Bleach - Oregon State ...


Laundry bleach is a solution of sodium hypochlorite, at a pH of about 11. Once dissolved ... and can provide disinfection over long exposure periods. Stability.

How to Use Bleach Safely - Home Ec 101


Jun 24, 2015 ... Chlorine bleach aka sodium hypochlorite is a powerful disinfectant and .... and somehow, I feel connected to a long line of forebears who went ...

How long does hair bleach last? | Reference.com


Hair bleach lasts for 20 minutes after it has been mixed. It must be applied immediately after mixing because it starts to lose its strength soon after mixing....

Does Bleach Go Bad? | PreparednessMama


The shelf life of bleach and pool shock - plus how The active ingredient in liquid bleach is sodium hypochlorite. After time bleach naturally degrades into salt and  ...

Does bleach go bad? - cleaning chlorine | Ask MetaFilter


I'm not sure how long a dilute mixture will retain its activity. ... They state that their 6% active hypochlorite strength required by the EPA for a use ...

Disinfectant Bleach-Water Ratio - Modern Survival Blog


Sep 14, 2014 ... This is the formula for the ratio or amount of Bleach and Water for disinfectant and sanitation. ... The active ingredient should be 'sodium hypochlorite'. ... I believe also that bleach will not keep for long term storage that it loses ...

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Department of Health - The Use of Bleach - info.gov.hk


Bleach is a strong and effective disinfectant. Its active ingredient, sodium hypochlorite, denatures protein in micro-organisms and is therefore effective in killing ...

Biological Safety | FAQ | Environmental Health and Safety | Weill ...


How long does diluted bleach last? For the answer to this question, see the ... I don't want to change my bleach squirt bottle daily. Are there any other options?

Chlorine Bleach Shelf Life - Chemistry - About.com


Jan 31, 2014 ... Temperature is the primary factor affecting how long bleach remains active. According to Clorox™, the amount of hypochlorite that is added to ...