US$ 75.00
Alternatively
Absolutely colourless
1l of methyl ethyl ketone (MEK)
Many modern spectrometers use the trace undeuterated solvent as an internal parameter for determining relative chemical shifts
From Marienfeld
ROTILABO® Crimp caps ND20 with borehole 9005-38-3 AlternativelyFor rolled edge headspace vials ND20 Septum material Dark grey butyl rubber Thickness 3 mm Hardness 50 Hole 10 mm
US$ 75.00
US$ 40.00
US$ 40.00
US$ 45.00
US$ 45.00
US$ 44.99
US$ 150.00
US$ 35.00
US$ 130.00
US$ 35.00
US$ 45.00
US$ 45.00
US$ 65.00
US$ 50.00
US$ 40.00
US$ 50.00