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.
Tips for night-time heartburn relief. Symptoms of heartburn during the night include waking up with a bitter taste in the mouth, a chronic cough, sore throat and fatigue. Food and drink tips for night-time heartburn relief. Reduce heartburn risk by limiting acidic foods such as grapefruit, oranges, tomatoes or vinegar.