bracket base, a diameter of 10MM metal rod, a clip hoop bracket, a plastic cylinder, a funnel, a 60MM plastic funnel, one tube brush, an asbestos net, a silicone stopper and a quantitative suction ball, transparent 1M long plastic tube, a tube clip and stainless steel tweezers, a staggered clamp, evaporation of a 60MM, a porcelain crucible and a 100MM mortar, 100 piece of 1-14 PH paper, a 6 hole 6 column plastic tube frame, a crucible clamp, a pair of goggles. Gloves, a plastic box and a plastic bottle, a brush, a mini electronic, a hand-held sieve, and a dropping funnel.