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Updated: June 2, 2025


This acid exists abundantly in other fruits, but especially in the tamarind; in the grape it exists along with citric, malic, and an acid called vinic, which resembles tartaric acid in many respects, but differs from it in others, and concerning the nature of which almost nothing is known: these four constitute the agreeable tartness of the juice of that fruit. Oxalic Acid.

After describing various experiments, and calling attention to the power of earthy matters in abstracting salts from solutions by which he hoped the process would be perfected, an imperial pint of water from beyond the Eddystone was shown mixed with 960 grains of citrate of silver and 4 grains of the free citric acid.

I turned and saw the elderly servant. "Mrs. Chester," she said, "I'm goin' up," and every word was flavored with citric acid. "Good-night," said Mrs. Chester, taking up her basket and her work. "You know, you need not retire until you wish to do so. There is a room opposite, where gentlemen smoke." I did not enter the big, lonely room.

No. 2: Water 100 c.c.; citric, gr.; sodium sulphite, 25 gr.; pyrogallol., 12 gr. Solution No. 2 is for its better keeping qualities preferable to Dr. To develop, mix 100 c.c. of water with 40 min. of No. 1 and 50 min. of No. 2. The picture appears quickly and more vigorously than with iron oxalate. If it is desirable to decrease the density of the negatives, double the quantity of water.

If the vital circle is not interrupted, the fluid traverses the branches, and the peduncle arrives in the ovary, and constitutes the pericarp. In this passage it is partly modified: it appropriates to itself the oxygen of its water of composition; hence the malic, citric, and tartaric acids.

They noticed, however, that while she made them barley-water, and all kinds of soft drinks from citric acid, sarsaparilla and the like, and had one special drink of her own invention, which she called cream-nectar, no spirits were to be had.

A shorter way is to keep ready prepared a quarter of an ounce of citric or crystallized lemon acid, pounded with a few drops of the essence of lemon peel, gradually mixed with a pint of clarified syrup or capillaire. Brandy or rum flavoured with this mixture, will produce good punch in a minute.

Oxalic, citric, tartaric, succinic, malic, gallic and tannic are other well-known organic acids. Some of these are contained in the sap or juice of certain plants, and these or others are formed when crop residues are decomposed in the soil. In the ultimate decomposition of organic matter the carbon appears in the form of carbon dioxid which when combined with water forms carbonic acid.

They noticed, however, that while she made them barley-water, and all kinds of soft drinks from citric acid, sarsaparilla and the like, and had one special drink of her own invention, which she called cream-nectar, no spirits were to be had.

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