Tender For lab chemicals - lab chemicals, hand made filter paper (18.5cm dia) circle kalpi brand, b.t.b. (bromothymol blue) paper (20 leaves in a book, 10 books in each pocket), n/2.8 sulphuric acid, lead sub acetate, sodiumhydroxide pellets (lab use), glacial asiatic acid, uranyl acetate, sodium acetate buffer solution, edta solution n/50, ammonia solution, commercial hydrochloric acid