By varying the proportions of copper and zinc, the properties of the brass can be changed, allowing hard and soft brasses. The density of brass is approximately .303 lb/cubic inch, 8.4 to 8.73 grams per cubic centimetre.
* Peptic ulcers. * Smoking cigarettes. * Drinking carbonated beverages. * Consuming fatty or spicy food, citrus fruits, tomato products, onions and chocolate. * Gastritis. * Taking medications including ibuprofen, aspirin, and certain drugs used to treat hypertension.
According to Arm & Hammer, a manufacturer of baking soda, mixing 1/2 teaspoon of baking soda into 1/2 glass of water is a safe dose for the relief of heartburn. People between the ages of 5 and 60 can take up to 7 doses spaced at least 2 hours apart in a 24-hour period.