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Sealed box

Community and Forum → Entomological collections → Sealed box

lepivin, 08.03.2012 19:17

In boxes made of glass and silicone, butterflies are not afraid of even snow.
3 months of winter hung on the fence and did not spoil.

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Comments

08.03.2012 19:20, vasiliy-feoktistov

And why?

08.03.2012 19:50, lepivin

leatherheads will not spoil them and the exterior can be decorated

08.03.2012 20:39, Bad Den

And when opening the box, the butterflies ' wings were torn off

The exterior can certainly be decorated, but how can the boys beat the stones?))

This post was edited by Bad Den-08.03.2012 20: 40

08.03.2012 22:49, lepivin

in the yard will not be beaten
inside you can still put an oxygen absorber and then the color will not change
, but I have not tried it yet

08.03.2012 23:11, captolabrus

But what about the destruction of the pigment under the influence of ultraviolet light ?

08.03.2012 23:21, Hierophis

Sameintersenoe that it seems like it is believed that the glass does not pass UV radiation. Although everyone writes that color is lost in the light.

08.03.2012 23:54, niyaz

Sameintersenoe that it seems like it is believed that the glass does not pass UV radiation. Although everyone writes that color is lost in the light.

It depends on what kind of glass. Silicate glass yes, ultraviolet does not pass through.

08.03.2012 23:56, captolabrus

Silicate glass does not fully absorb UV.

17.03.2012 20:28, tiger33

What's an oxygen scavenger?
Just thought from those who quickly lose color-straight-winged and dragonflies. Maybe in an oxygen-free environment, they will at least partially retain their color.

Actually here's what was found http://www.anteklogistic.com/aktivnaja-upakovka/113/

Of course, classic boxes are not sealed, but it seems to me that with the groove-spike system and well-smeared glass, there will not be much exchange with the environment. Well, you can still water the box and make a gasket in the groove for greater sealing.
Of course, the problem of opening remains, but I think with straight-winged and dragonflies, the probability of failure is less.

This post was edited by tiger33-17.03.2012 20: 35

18.03.2012 22:47, lepivin

it is better to seal the glass with silicone as aquariums in an inert gas environment
will be for centuries.

26.03.2012 23:14, tiger33

This is not feasible at home. Yes, and real collections involve working with the material.
And such sealed boxes are only for the interior.

26.03.2012 23:22, Hierophis

What is not feasible is very feasible, and elementarono, according to the principle of the eaten egg

Toset, the box is glued completely, but cracks are left from opposite corners. An inflatable balloon with helium is taken, and blown into one slot - air comes out of the box through the other, then I sealed the holes and everything is OK

27.03.2012 19:04, tiger33

Well, yes, a simple theory)))Do you know the properties of helium?

27.03.2012 20:14, Hierophis

What's the problem? The fact that helium is lighter than air is a plus, fill the box from above, and the helium will displace air through the lower hole. I am sure that this theory will work in terms of a fairly complete replacement of air with helium. We need to displace the oxygen, I take it, and that's quite possible.

Or is helium something else bad, like a rather non-reactive gas, it should not interact with organic matter? Well, there is still argon gas available

27.03.2012 20:21, Zlopastnyi Brandashmyg

Quite a bit of the properties of helium need to be known. Or is it not in the school physics course now?

27.03.2012 20:30, Hierophis

What are the properties? When the volume is purged with any gas, in the end, only the gas used for purging remains in the volume. This is an elementary practical procedure, what a school ))))

27.03.2012 21:28, captolabrus

The most important thing is that a sealed and tightly sealed glass box filled with any gas. or does not contain any gas, for storing insects at home or on the street, in any weather conditions, simply no one needs! Isn't that right, gentlemen?

Likes: 5

27.03.2012 21:48, vasiliy-feoktistov

The most important thing is that a sealed and tightly sealed glass box filled with any gas. or does not contain any gas, for storing insects at home or on the street, in any weather conditions, simply no one needs! Isn't that right, gentlemen?

URL#2

27.03.2012 21:58, Hierophis

The most important thing is that a sealed and tightly sealed glass box filled with any gas. or does not contain any gas, for storing insects at home or on the street, in any weather conditions, simply no one needs! Isn't that right, gentlemen?

And talk, and argue?

And I would not say that it is not needed. For the same "popularization"- it is quite suitable, that is-for aesthetic purposes.

27.03.2012 22:08, vasiliy-feoktistov

And talk, and argue? And I would not say that it is not needed. For the same "popularization"- it is quite suitable, that is-for aesthetic purposes.

This will not be popularization, but just a visual aid on how not to do it.
You can find out how to create a collection in the corresponding topic.

Likes: 1

27.03.2012 22:33, Ромикдв

Helium is very volatile and will soon leave the box through any sealant. Remember how, after a few hours, balloons filled with a helium-air mixture fall due to the penetration of helium molecules between the pores of latex.
Argon is another matter. Or nitrogen.

Likes: 1

27.03.2012 23:06, Hierophis

Maybe, but these are already special things, the fact is that in the case of a ball-there is a positive pressure in it. In the case of a box, it is only passive diffusion.

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