"By combining the hyper-sulphate of iridium with the fumes arising from oxide of copper heated to 1000 C. and combining with picric acid in the proportions described in formula x 18, a reaction, the nature of which I have not fully determined, follows.

" "Yes; you must 'a' dozed off," she laughed, her voice eaten into with the acid of her own scorn.

Beat the citric acid to a powder, mix the essence of lemon with it, then add these two ingredients to the syrup; mix well, and bottle for use.

Sometimes they get vermin on them, and I have to grease them and dust carbolic acid on them, and try some of my numerous cures.

To make ACID for PUNCH.

Platinum in a very fine state of divisionknown as platinum black, or noir de platinehas the very singular property of causing alcohol to change into acetic acid with great rapidity.

The plant withdraws water and carbonic acid from the atmosphere, the animal contributes both to it.

Take three jills of water, a jill of old milk, and a jill of brandy, sweeten it to your taste; you must not put any acid into this for it will make it curdle.

He could swallow prussic acid without experiencing any ill effects from it; that was what he called pyrotechny; "he had no property except a wife and child, &c." Next are the Police Reports, sometimes affording admirable studies of men and manners.

The lactose is converted into lactic acid by means of a special ferment.

In fact, the difference vanishes with the sunshine, even in the case of the green plant; which, in the dark, absorbs oxygen and gives out carbonic acid like any animal.

Now, if we place a piece of this stone in diluted sulphuric acid, this will take possession of the lime, and appear with it in the form of gypsum, the gaseous acid at the same time going off in vapor.

Sherry has of late got much into fashion in England, from the idea that it is more free from acid than other wines; but some careful experiments on wines do not fully confirm this opinion.

With a glass rod place a drop or two of strong nitric acid containing nitrous acid near the drop of bile; bring the acid and bile into contact.

A rod of impure copper, containing arsenic, iron, zinc, and other impurities, was next substituted, using hydrochloric acid as a solvent in place of sulphuric acid.

It is best to precipitate the mucin by acetic acid before making experiments; and to dilute the clear liquid with a little distilled water.

At every turn he encountered this bane of the country which was called callomy-jallopy, and at that moment he was utterly worn out, body and soul, by a struggle to save the life of a man who had ignorantly poisoned himself by drinking some acid after taking the dose.

It's a process for making nitric acid out of air.' Lady Maud nodded and smiled, as if she knew all about it, but her eyes were again scrutinising Mr. Feist's face.

If you pass the same carbonic acid over the very quicklime thus obtained, you will obtain carbonate of lime again; but it will not be calc-spar, nor anything like it.

When milk is allowed to stand for some time exposed to warmth and air, a spontaneous coagulation occurs, caused by fermentative changes in the sugar of milk, by which it is converted into lactic acid through the action of germs.

If the plant is immersed in this water and exposed to the sun's rays, no bubbles will be evolved; there is no carbonic acid within reach of the plant for the assimilative process.