12
Figure 5. pH Values Common Industrial and
Household products
MID-POINTS OF pH RANGES
FOR PROCESS CONTROL
pH VALUES OF SOME
COMMON SUBSTANCES
BOTTLE WASHING
EXTREMELY ALKALINE
COPPER PLATING
BRASS PLATING
14.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
LIME-SODA
SOFTENING
SALT WATER AQUARIUM
SWIMMING POOL WATER
FRESH WATER AQUARIUM
BREWING PROCESS
NICKEL PLATING
FOOD PROCESSING
PICKLE PROCESSING
EXTREMELY ACID
PHOTOENGRAVING
HOUSEHOLD LYE
AMMONIA
BLEACH
MILK OF MAGNESIA
BORAX
BAKING SODA
BLOOD
MILK
SEA WATER
DISTILLED WATER
CORN
BORIC ACID
ORANGE JUICE
VINEGAR
LEMON JUICE
BATTERY ACID
PHH-60 and PHH-80
pH/Conductivity Meter