Sigma-Aldrich
Branson MH series ultrasonic bath
Brass
黄铜
BriskHeat® beaker heater insulator
Briskheat heating tape, fiberglass, grounded
bromo(1-naphthyl)acetic acid
Bronze
青铜
BUT-2-ENEDIOIC ACID BIS-((2,4,6-TRIMETHYL-PHENYL)-AMIDE)
ButojectTM butyl gloves
BUTYL 2-ACETYLACETOACETATE
BUTYL 3-BUTOXYMETHACRYLATE
BUTYL 4-AMINOBUTANOATE HYDROCHLORIDE
BUTYL DODECYL SULFIDE
BUTYL N-(2,4-XYLYL)CARBAMATE
BUTYL N-(4-CHLOROPHENYL)-N-CYANOCARBAMATE