Well obviously the one bad thing about making your own steroids is you get a powder in the mail that's usually white, so how do you know what it really is? what if the source sent the wrong one? or what if he was scandalous and cut it with something to profit more? How do you know?There is a few ways as below for your reference.
Obviously the best and only fail proof way is to have a lab test it for you, this way you will know what it is without doubt, and also how pure it is. This is most recommended,but obviously you can’t walk into just any lab and hand them some steroid powder and expect them not to question you. This also be somewhat expensive sometimes.
You can also look up a physical description in chemistry books such as the Merck Index, to try and get a rough visual description of the powder for shits and kicks. not recommended at all.
Some gear is a liquid or paste at room temp. such examples of this are testosterone enanthate, Boldenone undecylenate(equipoise), and I also believe nandrolone decanoate (Deca). there may be other these just came to mind.
This is because hormones have melting points, this is the temperature where they change (usually from a powder) into a liquid. the above mentioned have a melting point in the range of common room temperature. so they melt at room temperature. other hormones have much higher melting points, so they need to be heated if you wanted them to melt. (don't confuse melting with dissolving in a solvent/oil)
A crude but very useful home test you can do for free in the privacy of you own home is a melting point test. this will give you a very good idea if you have what you think you do, however its not very accurate for testing purity levels, if its a good source they should be relatively pure though.
Because we are testing something specific, it is important to be specific in your procedure and so the first step is acquiring a means to accurately control the temperature, ideally you are heating the product by using an electronic Hot-Plate however oil/water baths and thermometers are also a good option.Please note ovens do not provide any kind of meaningful result because the temperature of an oven is constantly fluctuating and we intend to see exactly how the compound reacts around its melting point.
All you need to complete this test is the melting point of the product, a Hot-Plate/water bath/oil bath and thermometer and you are 15 minutes away from not only confirming that you have the compound you want, but also that it is very high purity - without exception!
There are many ways to perform a melting point test and the above is about as DIY as you should intend to go, alternative methods include the use of capillary tubes or automatic melting point test machines. But if performing a melting point test seems a little too involved for you, no problem, you can still confirm you are working with the highest purity compounds using a LabMax test from LabMax.Ca.
Hope that helps!