I really like malt vinegar, and often use it on my fish & chips. On Thu, 16 Sep 2010 17:36:26 -0400, Rich Stevens wrote > I routinely use the Everpure product Scalekleen to delime steamers, which > contains 50% citric acid monohydrate and 50% aluminum chloride hexahydate. > The MSDS Emergency Overview: Scale-Kleen is not considered toxic or > corrosive, but it can be an irritant to eyes, skin and mucous membranes. > Fire may produce corrosive fumes of hydrochloric acid. I don't take any > precautions when handing it, other than to rinse my hands if I get > it on them, with no real rush. I can tell you from experience as a > biochemist, that you know right away if you get concentrated acetic > acid on you. Unlike acetic acid, citric acid is federally classified > as a mild irritant. Acetic acid is listed as Major Hazard Class 8.0, > extremely corrosive and capable of causing severe burns. pH doesn't > always tell the whole story. Skin and mucous membranes are permeable > to acetic acid and react almost immediately to it, unlike citric > acid. Generally speaking, citric acid is only a problem with chronic > or prolonged exposure or ingestion of a fair amount of it. > > Rich Stevens http://mysite.verizon.net/rstevens15 > Photo Trend Enterprises- A Restaurant Service Company > > I always keep a supply of stimulant handy in case I see a snake, > which I also keep handy. -W.C. Fields > > -----Original Message----- > From: owner-chile-heads@globalgarden.com > [mailto:owner-chile-heads@globalgarden.com] On Behalf Of AndyB > Sent: Thursday, September 16, 2010 2:46 PM > To: Constance Allen; chile-heads@globalgarden.com > Cc: Tom Greaves > Subject: Re: [CH] "Vinegar Powder" - Citric Acid > > Constance, > > Perhaps. Worth a try. I have two types of comments: > > 1) Pure (anhydrous) citric acid is a white powder. Having a pH of > 2.2 (for a > 0.1 normal solution), it is a stronger acid than acetic acid (pH > 2.4). I checked the MSDS info, and, due to its high acidity, it is > rated as a very hazardous material either in the powder form or in > any strong solution > (20%). > > Lower concentrations, of course, are safe to consume. For example, > lemon and lime juice are about 5% citric acid. I strongly suspect > that the "powdered citric acid" that you obtained is likely well > diluted with some powder, such as a form of dextrin or corn starch. > It _may_ contain flavorings. > > 2) The vinegar powder is likely to have some flavorings. If natural > flavorings > are used, the vinegar powder is likely to have a different taste > than that of the "citric acid powder". > > AndyB > > On 9/14/2010 2:26 PM, Constance Allen wrote: > > I use powered citric acid that I bought from San Francisco Herb. I wonder > if > > it could be a substitute for "vinegar powder"' > > Cheers, > > Constance Allen > > > > On Sep 12, 2010, at 3:00 PM, AndyB wrote: > > > >> I would advise using care with any "vinegar powder". The primary > constituent > >> of vinegar is acetic acid; acetic acid, also known as ethanoic acid, is > >> what gives vinegar its sour taste and pungent smell. > >> > >> Vinegar is made from the oxidation of ethanol (AKA "grain alcohol") by > acetic > >> acid bacteria. The ethanol may be derived from many different sources > >> including wine, cider, beer or fermented fruit juice. White (distilled) > >> vinegar is nothing but water and acetic acid. The vinegar one gets from > > >> food markets is generally diluted to a uniform strength of 5% acetic > acid. > >> Note that in food preparation, vinegar is further diluted from 2:1 to > 20:1. > >> > >> As to vinegar powder: > >> Pure, water-free acetic acid (glacial acetic acid) is a liquid that > freezes > >> at 16.5°C (62°F) to a crystalline solid. Both liquid and solid are > >> colorless and absorb water (hygroscopic) from the environment. Thus, any > > >> pure "vinegar powder" would soon turn into a concentrated liquid acid > when > >> exposed to the air. The pure acid and its concentrated solutions are > >> ***dangerously corrosive***, and can give serious chemical burns. > >> > >> The referenced link does not give any clue as to the actual constituents > are > >> of what it is selling as "vinegar powder". Hopefully, it is at least > 95% > >> flavorings and some form of carbohydrate. > >> > >> AndyB > >> > >> On 9/5/2010 4:06 PM, Tom Greaves wrote: > >>> Now that is interesting. I'd never heard of vinegar powder. I'll look > into > >>> that. > >>> > >>> I think with the egg topping Doug suggested, salt, and a nice sauce like > > >>> what JJK suggested, I'm almost there. If I had some of that vinegar > salt > >>> now, I'd be home. Perhaps using vinegar instead of the milk in Doug's > >>> suggestion? I hope vinegar and eggs get along well. > >>> > >>>> Salt was my first instinct. Here is another idea: > >>> http://www.spicesetc.com/product/Vinegar-Powder/Specialty-Seasonings > >>> > > > > Sent from my Keyboard -- =Mark http://www.exit109.com/~mstevens