| Solution |
pH
|
Solution |
|
|
0
|
VERY ACIDIC
|
| Battery_acid
|
0-1
|
| Gastric juice___Gastic acid
|
1,5
|
| ascorbic acid water solution 5%___Vitamin C
|
2,2-2,5
|
| lemon juice___citric acid
|
2,4
|
| Cola refreshments___phosphoric acid
|
2,5
|
| vinegar 6 % w/v
|
2,9
|
| Ripe orange juice___caroteniods___flavonoids___terpene
|
3-4
|
| beer___ethanol
|
4,5
|
| coffee
|
5,0
|
| tea
|
5,5
|
| acid rain
|
<5,6
|
| milk___lactose
|
6,5
|
|
|
7,0
|
NEUTRAL
|
| Saliva of a healthy person
|
6,5-7,4
|
| blood
|
7,35-7,45
|
| sea water___pancreatic juice___Baking soda
|
8,0
|
| soap___Detergents
|
9,0-10,0
|
| Magnesium_hydroxide___Antacid
|
10
|
| commercial ammonia
|
11,5
|
| chlorine___bleach
|
12
|
|
|
14
|
VERY BASIC
|
| George Adamopoulos |