supply of lab equipment for mining engineering department at b . i . t sindri , dhanbad . - air-conditioned aluminium fabrication for controlled ambient temperature for analysis., hot air-dry oven, humidity test chamber, coal proximate analyzing items, v m crucibles with corresponding lids, muffle stand / vm crucible holder, crucible forceps, heat protection gloves, plunger for v.m crucibles, hydrometer, ash dish, moisture dish, enamel tray, muffle furnace, coal pulveriser, hot plate magnetic stirrer, u-v visible spectrophotometer microprocessor based for analysis of sox and nox for ambient air in open cast coal mines, computer, with printer, data acquisition software, refrigerator, voltage stabilizer, matching cuvettes, analysis reagents for sox determination in ambient air, absorbing reagents, pararosaniline hydrochloride dye.