You can download very good literature of NIPHM Hyderabad, India in pdf by following link. ACID BASE TITRATIONS of different pesticides/ chemicals

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ACID BASE TITRATIONS

Reference

राष्ट्रीय वनस्पति स्वास्थ्य प्रबंधन संस्थान 

NATIONAL INSTITUTE OF PLANT HEALTH MANAGEMENT (NIPHM),
(An Organization of Department of Agriculture, Cooperation & Farmers Welfare, Ministry of Agriculture, Govt. of India)
Rajendranagar, Hyderabad – 500 030 ( Telangana ) INDIA