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ampoule
Vial, phial, ampoule, sample tube, cuvette? Any of those is a possibility, and I'm sure there's at least half a dozen more that aren't leaping to mind at the moment.
Yes if the surface tension of the water is not broken. If you are careful you can place a needle on the surface of the water in a glass. Also if you reduce the surface tension with detergent (just a very little is enough) the needle will sink because it's density is greater than that of the water. NO (if the surface tension of the water is broken, a needle cannot float on the surface of water. This is because the needle has higher density than water (density is mass divided by volume).
if exposed to high temperatures glass can change shape... if we youre working with tempered glass it will break when exposed to high temps
Though there are exceptions, it is usually an open-top, glass funnel.
An ampoule is a small glass bottle or container containing a solution suitable for injection.
ampoule
filter needle
The word you're probably looking for is ampule.
Essco is just brand for glass ampoules. Glass ampoules are the most cost effective container used for packaging and dispensing of a wide variety of pharmaceutical liquid products. They come in many shapes and sizes.
Look at the glass and see if it didn't slip and that will stop the needle from moving, otherwise it will probably have to be replaced.
because glass working needs soft glass
because glass working needs soft glass
You should get a needle that has already been passivated for best results.
Ampoule's: A small sealed glass vial containing drugs. Ampule: a small two handles clay pot common to the ancient Romans. Commonly used for shipping goods for trade.
Surface tension
Surface tension