Needle source Pb-210 contains 0.01 microcuries of Lead-210 in equilibrium with its daughters Bi-210 and Po-210, produces a source of both alpha and beta particles
Separation of a Mixture of Solids Kit, Includes: Benzoic Acid/Acetanilide, Methyl Violet, Ethyl Acetate, Sodium Bicarbonate, Hydrochloric Acid 1.0N, Pipettes, helps to explore concept of law of conservation of mass, acid-base reactions to manipulate molecules
SurGuard* 3 safety needles can be activated 3 ways and include a broader range of sizes than most other brands to suit clinician preferences, Firm injection feel Sharpest needles among major brands tested, 20gx 1.5in