What should be the hardness of drinking water 2024?
I'll answer
Earn 20 gold coins for an accepted answer.20
Earn 20 gold coins for an accepted answer.
40more
40more
Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
Hardness is most commonly expressed as milligrams of calcium carbonate equivalent per litre. Water containing calcium carbonate at concentrations below 60 mg/l is generally considered as soft; 60-C120 mg/l, moderately hard; 120-C180 mg/l, hard; and more than 180 mg/l, very hard (McGowan, 2000).
2023-04-19 21:38:36
评论(499)
Helpful(122)
Helpful
Helpful(2)
Eliza Turner
QuesHub.com delivers expert answers and knowledge to you.
Hardness is most commonly expressed as milligrams of calcium carbonate equivalent per litre. Water containing calcium carbonate at concentrations below 60 mg/l is generally considered as soft; 60-C120 mg/l, moderately hard; 120-C180 mg/l, hard; and more than 180 mg/l, very hard (McGowan, 2000).
