1. Non - ionic surface active agents - determination of sulfated ash - gravimetric method 2. Non - ionic surface active agents . determination of sulphated ash - gravimetric method 3. Non - ionic surface active agents . determination of cloud point index . volumetric method 4. Non - ionic surface active agents - determination of cloud point index - volumetric method 5. Surface active agents - determination of krafft point and solubility of ionic surface active agents 6. Surface active agents . detergents . non - ionic surface active agents . determination of biodegradability 7. Surface active agents . mixed non - ionic surface active agents . determination of cloud temperature cloud point 8. Non - ionic surface active agents . polyethoxylated derivatives . iodometric determination of oxyethylene groups 9. Surface active agents - determination of krafft point and solubility of ionic surface active agents 10. Non - ionic surface active agents - polyethoxylated derivatives - determination of hydroxyl value - acetic anhydride method
