Free Chlorine Lower Than Total Chlorine. Free chlorine lower than total chlorine. Another way to figure the combined chlorine level is to subtract the total chlorine level from free chlorine level, provided the total chlorine is higher than the free chlorine.
Total chlorine is the sum of free chlorine and combined chlorine. The chlorine that is still active to remove contaminants is known as free. At most, the number can be the same, meaning, no girls.
Cl 2 + h 2 o ↔ hcl + hocl.
Free chlorine, combined chlorine, and total chlorine can be easily understood with the following equation: Post by chem geek » mon 01 aug, 2011 12:14. If monochloramine measurements are significantly greater than total chlorine (meaning the difference in values is not due to the precision of the test), the following should be considered: Should total chlorine be higher than free chlorine?