Tender For purchase of various types of chemical and biological items for the bio fertilizer and organic fertilizer quality control laboratory ofdepartment of agriculture of gujarat state. - hydrochloric acid (hcl 0.1n or n/10 solution), 2, 20.00, ml, -, conductivity 1.41 ms/cm standard solution crm, 6, 3.00, gm, -, media for azotobacter (jensens media),