procurement of glasswares as per specifications and bq , beaker , as per is 2619 / en iso3819 and din 12331 capacity ( in 100 ml ) , beaker , as per is 2619 / en iso3819 and din 12331 capacity ( in 1000 ml ) , reagebt bottles narrow mouth , graduated with flat glass stopper , as per is 1388 ( part ii ) and en iso 4796-2 capacity ( in 500ml ) , reagebt bottles narrow mouth , graduated with flat glass stopper , as per is 1388 ( part ii ) and en iso 4796-2 capacity ( in 1000ml ) , reagebt bottles with screw cap , is 1388 ( part 1 ) , en iso 4796 -1 capacity ( in 250ml ) , reagebt bottles with screw cap , is 1388 ( part 1 ) , en iso 4796 -1 capacity ( in 500ml ) , reagebt bottles with screw cap , is 1388 ( part 1 ) , en iso 4796 -1 capacity ( in 1000ml ) , reagebt bottles amber colour with screw cap , is 1388 ( part 1 ) , en iso 4796 -1 , opaque up 500 nm capacity ( in 2000ml ) , b . o . d bottles as per is 9213 capacity ( in 300ml ) , conical flask is 1381 ( part 1 ) , din / iso 1773 capacity ( in 150ml ) , conical flask is 1381 ( part 1 ) , din / iso 1773 capacity ( in 250ml ) , volumetric flask class a with certificate on 27 degree capacity ( in 100ml ) , volumetric flask class a with certificate on 27 degree capacity ( in 250ml ) , volumetric flask class a with certificate on 27 degree capacity ( in 500ml ) , volumetric flask class a with certificate on 27 degree capacity ( in 1000ml ) , volumetric flask class a with certificate on 27 degree capacity ( in 2000ml ) , a class pipette as per is , en iso 835 capacity ( in 10ml ) , a class cylinder as per is 878 , en iso 4788 capacity ( in 50ml ) , nessler cylinders , is 4161 capacity ( in 100ml ) , petridish is 2626 capacity 100x17 ( in mm ) , weighing scoop usp type 1 glass capacity 6 , weighing scoop usp type 1 glass capacity 10 , slides plain ground edges capacity 76x26x1 ( in mm ) ( 50 nos . in each pkt ) , coverslip capacity 18x18 ( in mm ) pkt ( 100 nos . in each pkt . ) , dropping bottle capacity 125