Re: Tartaric Acid???

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Posted by txilar on August 14, 2001 at 17:00:35:

In reply to: Tartaric Acid??? posted by CorasMama on August 14, 2001 at 04:58:09:

Tartaric Acid and Cream of Tartar aren't the same thing, but are very
related. Cream of Tartar is a salt of the acid. One site I saw that
related to cooking said that citric acid and tartaric acid worked the
same- of course, that's in relation to what the site was cooking, but
I thought since some of the pre-mixes use citric acid, another maybe
used tartaric? Hey, any results on your glycerine mix? I have a small
amount laying about {too little to do anything with}and thought I
could use it in my next mix instead of honey maybe.

[somewhere on discovery.com]
"Tartaric acid, Ťtahr TAR ihk,ť is an organic chemical that occurs
naturally in grapes and several other fruits. It is commonly used in
the production of jellies and carbonated grape beverages.
Most commercial tartaric acid is obtained as a by-product of the wine
industry. The acid's colorless crystals are derived from potassium
hydrogen tartrate, or argol, which collects on the walls of wine vats
during the fermentation of grapes.

Three salts of tartaric acid--cream of tartar, tartar emetic, and
Rochelle salt--are used by the food industry and other industries.
Cream of tartar is an ingredient of some baking powders and is also
used in making hard candies and taffy. Tartar emetic and Rochelle
salt are used in some medicines. Crystals of Rochelle salt, which are
piezoelectric, are also an important part of some microphones (see
Piezoelectricity). In addition, tartaric acid and some of its salts
are used in cleaning and polishing metals and in dyeing fabrics.

Tartaric acid was first isolated by Carl W. Scheele, a Swedish
chemist, in 1770. "

[http://www.linanwindow.com/tartaric/history.htm]
"TARTARIC ACID, also dihydroxy-succinic acid, organic acid of formula
C4H6O6, found in many plants and known to the early Greeks and Romans
as tartar, the acid potassium salt derived as a deposit from
fermented grape juice. The acid was first isolated in 1769 by the
Swedish chemist Carl Wilhelm Scheele, who boiled tartar with chalk
and decomposed the product with sulfuric acid. Fermentation of the
juices of grapes, tamarinds, pineapples, and mulberries produces, on
the inner surface of the container, a white crust of potassium acid
tartrate known as argol, or lees. Argol, boiled with dilute
hydrochloric acid, precipitates as calcium tartrate when calcium
hydroxide is added. Upon addition of dilute sulfuric acid,
dextrotartaric acid is liberated, which rotates the plane of
polarized light to the right. Dextrotartaric acid has a m.p. of 170
(338oF) and is extremely soluble in water and alcohol and insoluble
in ether.

Another variety, called levotartaric acid, is identical to
dextrotartaric acid except that it rotates the plane of polarized
light to the left. This acid was first prepared from its sodium
ammonium salt by the French chemist Louis Pasteur. Tartaric acid
synthesized in the laboratory is a mixture of equal amounts of the
dextro and levo acids, and this mixture, called also racemic tartaric
acid, does not affect the plane of polarized light. A fourth variety,
mesotartaric acid, also without effect on the plane of polarized
light, is said to be internally compensated.

Tartaric acid, in either the dextrorotary or racemic form, is used as
a flavoring in foods and beverages. It is used also in photography,
in tanning, and as potassium sodium tartrate, also known as Rochelle
salt, as a mild laxative. Potassium hydrogen tartrate, also called
cream of tartar, is a pure form of argol that is used in baking
powders and in various treatments of metals. Antimony potassium
tartrate, also called Tartar emetic, Antimony potassium tartarate,
also known as Tartar emetic, is used as snail fever-resistant drugs
in the pharmaceutical industry, and in treatments of metals. "

: What is tartaric acid? I vaguely recall it being discussed quite a
: ways back, and now I see it as an ingredient of one of those tubes
I
: started out with, (but for some reason kept the empty tube.) This
: was a tube that gave me particularly lovely results, and I'm
: wondering if maybe that's a potential ingredient for my
experimenting.
:
: It tartaric acid the same as cream of tartar?
:
: Is it natural?
:
: Is it safe?
:
: Thanks

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Re: Tartaric Acid??? Rachael 17:38:18 8/14/2001 (1)
- lol, =) Thank you! (n/t) txilar 18:09:49 8/14/2001 (0)

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: Tartaric Acid and Cream of Tartar aren't the same thing, but are very : related. Cream of Tartar is a salt of the acid. One site I saw that : related to cooking said that citric acid and tartaric acid worked the : same- of course, that's in relation to what the site was cooking, but : I thought since some of the pre-mixes use citric acid, another maybe : used tartaric? Hey, any results on your glycerine mix? I have a small : amount laying about {too little to do anything with}and thought I : could use it in my next mix instead of honey maybe. : : [somewhere on discovery.com] : "Tartaric acid, Ťtahr TAR ihk,ť is an organic chemical that occurs : naturally in grapes and several other fruits. It is commonly used in : the production of jellies and carbonated grape beverages. : Most commercial tartaric acid is obtained as a by-product of the wine : industry. The acid's colorless crystals are derived from potassium : hydrogen tartrate, or argol, which collects on the walls of wine vats : during the fermentation of grapes. : : Three salts of tartaric acid--cream of tartar, tartar emetic, and : Rochelle salt--are used by the food industry and other industries. : Cream of tartar is an ingredient of some baking powders and is also : used in making hard candies and taffy. Tartar emetic and Rochelle : salt are used in some medicines. Crystals of Rochelle salt, which are : piezoelectric, are also an important part of some microphones (see : Piezoelectricity). In addition, tartaric acid and some of its salts : are used in cleaning and polishing metals and in dyeing fabrics. : : Tartaric acid was first isolated by Carl W. Scheele, a Swedish : chemist, in 1770. " : : [http://www.linanwindow.com/tartaric/history.htm] : "TARTARIC ACID, also dihydroxy-succinic acid, organic acid of formula : C4H6O6, found in many plants and known to the early Greeks and Romans : as tartar, the acid potassium salt derived as a deposit from : fermented grape juice. The acid was first isolated in 1769 by the : Swedish chemist Carl Wilhelm Scheele, who boiled tartar with chalk : and decomposed the product with sulfuric acid. Fermentation of the : juices of grapes, tamarinds, pineapples, and mulberries produces, on : the inner surface of the container, a white crust of potassium acid : tartrate known as argol, or lees. Argol, boiled with dilute : hydrochloric acid, precipitates as calcium tartrate when calcium : hydroxide is added. Upon addition of dilute sulfuric acid, : dextrotartaric acid is liberated, which rotates the plane of : polarized light to the right. Dextrotartaric acid has a m.p. of 170 : (338oF) and is extremely soluble in water and alcohol and insoluble : in ether. : : Another variety, called levotartaric acid, is identical to : dextrotartaric acid except that it rotates the plane of polarized : light to the left. This acid was first prepared from its sodium : ammonium salt by the French chemist Louis Pasteur. Tartaric acid : synthesized in the laboratory is a mixture of equal amounts of the : dextro and levo acids, and this mixture, called also racemic tartaric : acid, does not affect the plane of polarized light. A fourth variety, : mesotartaric acid, also without effect on the plane of polarized : light, is said to be internally compensated. : : Tartaric acid, in either the dextrorotary or racemic form, is used as : a flavoring in foods and beverages. It is used also in photography, : in tanning, and as potassium sodium tartrate, also known as Rochelle : salt, as a mild laxative. Potassium hydrogen tartrate, also called : cream of tartar, is a pure form of argol that is used in baking : powders and in various treatments of metals. Antimony potassium : tartrate, also called Tartar emetic, Antimony potassium tartarate, : also known as Tartar emetic, is used as snail fever-resistant drugs : in the pharmaceutical industry, and in treatments of metals. " : : : : What is tartaric acid? I vaguely recall it being discussed quite a : : ways back, and now I see it as an ingredient of one of those tubes : I : : started out with, (but for some reason kept the empty tube.) This : : was a tube that gave me particularly lovely results, and I'm : : wondering if maybe that's a potential ingredient for my : experimenting. : : : : It tartaric acid the same as cream of tartar? : : : : Is it natural? : : : : Is it safe? : : : : Thanks
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