tender for e-tender for procurement of laboratory chemicals and whatman filter paper no. (41 & 42) grade for analysis of soil s les during 2026-27 under pm-rkvy , ammonium acetate, 98% extra pure , whatman filter paper no. 41 , whatman filter paper no. 42 , azomethine- h , antimony potassium tartrate trihydrate , methyl red , buffer solution ph-4.0 , buffer solution ph-7.0 , buffer solution ph-10 , iron(fe) 1000 ppm standard solution , zinc (zn) 1000 ppm standard solution , copper (cu) 1000 ppm standard solution , manganese 1000 ppm standard solution , potassium (k) 1000 ppm standard solution , boron (b) 1000ppm standard solution , ethanol (98% pure) chemical name: (ethyl alcohol) , double distilled water , botte top dispenser for concentrated sulphuric acid (98% h2so4)