Ethylbenzene solution NMR reference standard, 0.1% in chloroform-d (99.8
721018-8IN
Marca: MERCK L.S. - SIGMA ALDRICH
€ 359,00
Methanol solution NMR reference standard, 4% in methanol-d4 (99.8 atom %
721964-8IN
Marca: MERCK L.S. - SIGMA ALDRICH
€ 383,00
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