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2-Aminonaphthalene-d7
H2CO3 (water soluble)
2-Dichloro-3-ethylbenzene
4-n-Propylbenzoic acid
40186-70-7
Crimp closure, N20,alu.,pressure rel,center hole,Butyl l.gray/PTFE d.gray,3.0mm 5190-8234 2-Aminonaphthalene-d7Butyl PTFE closures with a good analytical purity. Equivalent closure to 70234. 8, however, with a punched septa instead of a molded one. Very good price performance ratio. The bridges of the cap's scorelines break open at an internal vial pressure exceeding 3 bars ( 0. 5 bars), thus releasing overpressure in a crontrolled way. Functionality of the cap is not depending on the design of the vial's crimp neck (beveled top, flat crimp neck). Technical
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