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4.  Chlorine Concentration 

C 

# Chlorine Concentration

chemistry 

The amount of free available chlorine in a disinfectant solution, usually expressed in ppm.

## Definition

Chlorine concentration determines what a solution can kill and how quickly. Common targets: 200 ppm for food-contact sanitising, 1,000 ppm for healthcare surfaces, 10,000 ppm for blood spills.

## Why it matters

Wrong concentration means wrong outcome. Too low fails to kill; too high corrodes surfaces and irritates skin and airways.

## Practical applications

Verify concentration with test strips at the start of each shift and when solutions look depleted or heavily soiled.

## Related terms

[Dilution Ratio](/knowledge-center/glossary/dilution-ratio)[PPM (Parts Per Million)](/knowledge-center/glossary/ppm)[Sodium Dichloroisocyanurate (NaDCC)](/knowledge-center/glossary/nadcc)[Active Ingredient](/knowledge-center/glossary/active-ingredient)[Air Particle Count](/knowledge-center/glossary/air-particle-count)[Bleach](/knowledge-center/glossary/bleach)

## Referenced in

-   [Why Controlled-Dose Disinfectant Tablets Improve Hygiene Consistency](/knowledge-center/articles/controlled-dose-disinfectant-tablets)
-   [Why Hospitals Are Switching to NaDCC Disinfectant Tablets](/knowledge-center/articles/why-hospitals-are-switching-to-nadcc-disinfectant-tablets)
-   [NaDCC vs Sodium Hypochlorite](/knowledge-center/articles/nadcc-vs-sodium-hypochlorite)
-   [What is NaDCC?](/knowledge-center/articles/what-is-nadcc)

## Related TXDY solutions

[

PRO SolvTab™ CARE

Controlled-dose disinfectant tablets for healthcare and clinical environments.



](/products/pro-solvtab-care)

## Need help applying this?

Our team can help design the right disinfection protocol for your operation.

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