4680-200 康宁CORNING PYREX玻璃蒸馏瓶200ml优惠价
4680-200 康宁CORNING PYREX玻璃蒸馏瓶200ml
4680 PYREX Brand, Barrett, Distilling
For use in grading benzol, distilled from coal tar by the Koppers process. The side arm is approximately
120 ±3 mm from the bottom of the flask, as required in ASTM E-1405. Can be used in
ASTM tests D-850, D-1078 and D-455.
4680-200 康宁CORNING PYREX玻璃蒸馏瓶200ml
4680-200 康宁CORNING PYREX玻璃蒸馏瓶200ml