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.
Both caffeinated and decaffeinated coffee might cause heartburn by encouraging acid production. Other caffeinated drinks, citrus fruit juices, tomato juice and carbonated beverages might trigger your heartburn. Citrus fruit juices include orange, grapefruit, lemon and pineapple. In some cases, these drinks might not cause symptoms because triggers depend on each person.
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.