Recommendations on specific concentrations for different applications?

Recommended Sodium Hydroxide (NaOH) Concentrations for Different
Applications
1. Industrial & Chemical Use
• Soap Making (Cold Process): 25–30% NaOH solution
• Textile & Paper Industry: 10–50% NaOH solution (varies by application)
• Petroleum Refining: 10–20% NaOH solution
2. Household & Cleaning Uses
• Drain Cleaner: 5–10% NaOH solution (stronger for tough clogs)
• Oven Cleaner: 2–5% NaOH solution
• General Degreaser: 1–3% NaOH solution
3. Food Industry Uses
• Pretzel Dipping: 3–4% NaOH solution
• Peeling Fruits & Vegetables: 1–2% NaOH solution
• Cocoa Processing: 1–2% NaOH solution
4. Water Treatment
• pH Adjustment in Drinking Water: 0.5–1% NaOH solution
• Wastewater Treatment: 1–5% NaOH solution
How to Prepare a Sodium Hydroxide Solution Safely
1. 2. 3. 4. 5. Use Protective Gear – Gloves, goggles, and a face shield.
Choose the Right Container – Use glass or plastic (not metal).
Add NaOH to Water – Never add water to NaOH, as it can cause
splashing and generate heat.
Stir Slowly – Use a non-metallic stirrer to dissolve NaOH completely.
Check pH – Use pH strips or a pH meter if precise control is needed.