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6

I agree with @Jeremias Brand's answer. Pretty much you will have to forget about fluorescence microscopy... you can probably find some dusty old one on eBay in your price range, but it probably won't be any good. However, the good news is that seen that in your comment you mention a) plants, b) blood, c) liquids such as wine, d) food? transmitted ...


4

With all respect I think the accepted answer underestimates the quality of current inexpensive instruments. What I have found comparing images on my recently acquired $400 scope to those produced by top-end Nikons is that it produces images which are aesthetically less appealing but nearly identical in detail. Mostly I have used it for fungi, which are ...


4

A neutralization reaction occurs between Brönsted acids and bases to form a salt. In this case, you have to add a Brönsted base to neutralize your acid. If the final pH is important, you should work out the exact quantity of base to add. Otherwise, just use litmus paper to check the pH of your solution, and add base until it's neutral. EDIT In view of the ...


3

This really depends on the application you have in mind. As with other precision instruments there is a huge range of qualities and applications. If you just want brigth field illumination and look at relatively big things ( approx 100 microns) then you could find something decent for the price you mention if you buy used. But if you want more complex ...


2

This is kind of a weird/trick question. How long do you want the animal to live? If the lifespan is shortened or compromised does that fit.... Obligate carnivores (cats, dogs) do eat plant material. In the wild cats mainly eat grass to get rid of hairballs. Cats are more impacted by phytotoxins than dogs. However, both, are extremely vulnerable to ...



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