Sulphur (S) 10000 ppm Single Element Std. Soln. for ICP in H2 O Nist Traceable 100 ml

2-Chloro Benzonitrile for Synthesis (o-Chloro benzonitrile) 100 gm

Haematoxylin Harris Staining Soln. see Papanicolaous Solution 1a Harris Haematoxylin Solution

3-Chloro Benzonitrile for Synthesis (m-Chlorobenzonitrile) 25 gm

p-Chloro Benzoic Acid 100 gm

p-Chloro Benzoic Acid 500 gm

4-Chloro Benzyl Chloride (p-Chlorobenzyl Chloride) 100 ml