6.1. Basic laboratory techniques H A N D L I N G S O L I D S H A N D L I N G L I Q U I D S Be ex tremely ca ref u l w ith l iqu ids. Avoid spi l l ing them, especia l ly on you r sk in or clothes. Put sol id products in a g lass or ceramic conta iner. Pipettes use a suction device (pipette filler) to suck up the liquid. 6. Laboratory work Add sol id products w ith a spatu la . Don't use you r hands. Use a g lass rod to st i r. Use r ubber g loves. Don't touch products w ith you r ba re hands. Hold conta iners f i rmly so that they don't sl ip or fa l l . A Pasteu r pipet te or a d ropper is idea l for work ing w ith sma l l amounts of l iqu id that you don't need to measu re. To measu re an exact amount of l iqu id , use a g raduated cyl inder, pipet te or bu ret te. Use a f unnel to pou r a l iqu id into a conta iner w ith a na r row open ing. 26
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