Disinfectant Preparation Tool
Sodium Hypochlorite Solution Dilution Calculator
Prepare a working sodium hypochlorite solution for laboratory disinfection — calculate exact volumes from any commercially available stock concentration.
Sodium hypochlorite solution — enter preparation parameters
(Usually the commercially available percentage, e.g. 3.5%, 4%, 5%)
%
%
mL
Dilution formula used for sodium hypochlorite solution (C₁V₁ = C₂V₂)
V₁ = (C₂ × V₂) ÷ C₁
→ Volume of stock sodium hypochlorite solution needed = (Target% × Total vol) ÷ Stock%
Sodium hypochlorite solution — preparation summary
–
mL sodium hypochlorite solution (stock)
+
–
mL tap water (diluent)
=
–
mL working disinfectant solution
Step-by-step: how to prepare sodium hypochlorite solution
Safety precautions when handling sodium hypochlorite solution
Wear gloves & eye protection
Work in well-ventilated area
Always add stock to water
Use clean, calibrated containers
Do NOT mix with other chemicals
Label container with date & concentration
Discard after 24 hrs (working solution)
Store stock in dark, cool place
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