. Nh3 - An aqueous solution containing 33% of ammonium, NH3. A colourless liquid with a pungent, suffocating odour.

1liquor Ammoniae

Contains 10% of Ammonium. - 33.33; Water, 66.66.

2Linimentum Ammoniae, - 25; Almond Oil, 25; Olive Oil, 50.

1Spiritus Ammoniae Aromaticus. Dose 20 - 40 min.; 1 1/2 - 2 1/2 c.c. repeated; for a single administration, 60 - 90 min., 4-6 c.c. - 4; Ammonium Carbonate, 2; Oil of Nutmeg, 0.28; Oil of Lemon, 0.40; Alcohol, 60; Water, 30. A transparent nearly colourless liquid with a pungent taste and odour. Contains the equivalent of about 2.4% of ammonium (partly as carbonate).

Incompatibles, solutions of salts of lead, silver, mercury, bismuth, antimony, copper, iron, aluminium, and zinc (precipitation prevented or hindered by the presence of sugar, acacia, glycerine, citrates and tartrates); alkaloids; chloral, and thymol.

3Spiritus Ammoniae Fetidus. Fetid Spirit of Ammonia. Dose, if repeated, 20 - 40 min.; 1 1/2 - 2 1/2 c.c.; for a single administration, 60 - 90 min.; 4 - 6 c.c. - 10; Asafetida, 7.5; Alcohol, to 100.

3ammonii Benzoas

Dose, 5 - 15 grs.; 3 - 10 dgms. Colourless crystals. Soluble, 1 in 6 of water; 1 in 30 of alcohol; 1 in 8 of glycerin.

Ammonii Bromidum

Dose, 5 - 30 grs.; 3 - 20 dgms. Small colourless crystals, with a somewhat pungent taste. Soluble 2 in 3 of water; 1 in 15 of alcohol.

Ammonii Carbonas

Dose, 3 - 10 grs.; 2 - 6 dgms. A mixture of ammonium hydrogen carbonate NH3HCO3, and ammonium carbamate, NH4 NH2 CO2. Hard translucent crystalline masses, with an ammoniacal odour and an alkaline reaction. Soluble, 1 in 4 of water.

Incompatibles, alkali hydrates and carbonates, salts of all metals in solution, many alkaloids, and resorcin.

1ammonii Chloridum

Dose, 5 - 20 grs.; 3 - 12 dgms. Colourless, inordorous crystals, with a pungent saline taste. Soluble 1 - 3 of water 1 in 60 of alcohol.

Incompatibles, lead, silver, mercurous salts; alkaline hydrates.

3ammonii Phosphas

Dose, 5 - 20 grs.; 3 - 12 dgms. Di-ammonium hydrogen phosphate, (NH4)2 HPO4. Transparent crystals. Soluble 1 in 4 of water, insoluble in alcohol.

Incompatibles, salts of metals; alkali hydrates.

1Liquor Ammonii Acetatis. (Mindererus' Spirit). - Dose, 2 - 6 fl. dr.; 8 - 23 c.c.

Ammonium Carbonate, 5; Acetic Acid sufficient to neutralise the carbonate; Water to 100. A clear colourless liquid with an acetous odour and a sharp, saline taste.

1liquor Ammonii Citratis

Dose, 2 - 6 fl. dr.; 8 - 23 c.c. Citric Acid, 12.5; Ammonium Carbonate, sufficient to neutralise the acid in solution, about 8.75; Water, to 100. A colourless, odourless liquid with a saline taste.

Amygdala Amara. Bitter Almond. The ripe seed of Prunus Amygdalus var. amara. Resembles the sweet almond but is shorter and bitter.

Amygdala Dulcis. Sweet Almond. The ripe seed of Prunus Amygdalus var. dulcis.

Pulvis Amygdalae Compositus

62; Sugar, 31; Gum Acacia, 7.75.

Mistura Amygdalae. Dose, 1/2 - 2 fl. dr.; 2 - 8 c.c. - 12.5; Water, to 100.

Oleum Amygdalae. A bland, almost odourless oil prepared from either the sweet or the bitter almond. Makes a whiter ointment than olive oil.

Amyl Nitris. Amyl Nitrite. Dose, by inhalation, 2 - 5 min.; 0.1 - 0.3 c.c: (1/2 - l min.; 0.03-0.06 c.c).

Yellow, fragrant liquid, slightly acid, consisting chiefly of iso-amyl nitrite. Insoluble in water; soluble in alcohol, but in time forms amyl alcohol (poisonous) and ethyl nitrite.

Amylum. Starch. Starch of wheat, maize, or rice. Soluble in hot water; insoluble in alcohol.

Incompatibles, strong alcohol, tannic acid, lead subacetate. Glycerinum Amyli. - 11; Water, 16.5; Glycerin, 71.5.

Anethi Fructus. Dill Fruit. The dried ripe fruit of Pucedanum Graveolens.

Aqua Anethi

10; Water, 200; distill over 100. Oleum Anethi. Dose, 1/2 - 3 min.; 0.03 - 0.2 c.c. A pale yellow oil, taste sweet and aromatic, odour characteristic.

Anisi Fructus. Anise Fruit. The dried ripe fruit of Pimpinella Anisum.

Aqua Anisi

10; Water 200; distill over 100.

1O1eum Anisi. Dose, 1/2 - 3 min.; 0.03 - 0.2 c.c. A pale yellow oil, with an aromatic taste and a characteristic odour.

1S piritus Anisi. Dose, 5 - 20 min.; 0.3 - 1.2 c.c. - 10; Alcohol, 90.

Anthemidis Flores. Chamomile Flowers. The dried flower-heads of Anthemis nobilis; odour strong and aromatic, taste bitter.

Extractum Anthemidis. Dose, 2 - 8 grains.; 1 - 5 dgms. - 10; Oil of Chamomile, 0.02; Water, 100; evaporated to a soft extract.

Oleum Anthemidis. Dose 1/2 - 3 min.; 0.03 - 0.2c.c. A pale bluish oil (becoming yellow on keeping), with an aromatic odour.