Tender For corrigendum : scientific lab items - item, air purification system (ionizer), analytical balance (nos. 2), water purification system, solvent evaporator, sonycator (nos.2), hot plate (nos. 4), hot air oven (nos.2), electronic desecator (nos. 2), muffle furnance (nos.2), ultra pure water purification system, melting point apparatus, water bath electronics (nos.2)