Measuring powder

[westniles]

Is there any way to measure 250 mg of a 1 gram powder besides a scale?

 

[Longdog]

No. Different powders are different densities, so there's no accurate scoop or anything. You have to weigh it.

 

[candle25]

I wouldn't do it but you could simply take the 1g and divide it into 4 equal portions. Each portion would be 250mg. I'm sure you'd have some amount of error.

 

[westniles]

I wouldn't do it but you could simply take the 1g and divide it into 4 equal portions. Each portion would be 250mg. I'm sure you'd have some amount of error.

That is exactly what I was tempted to do. I am sure it could be quite off, but how much?

 

[bigmark1972]

You could use a microscope and individually count out the particles, assuming they are the same size you could do it in a few days j/k

 

[westniles]

You could use a microscope and individually count out the particles, assuming they are the same size you could do it in a few days j/k

Thats an excellent idea!

I am thinking that the chem lab scale at my college will do just fine.

 

[db682]

How bout spending $50 for a scale. Everything nowdays comes in powder form and a scale is a very useful tool to have around the house.

db

 

[groundfighter]

How bout spending $50 for a scale. Everything nowdays comes in powder form and a scale is a very useful tool to have around the house.

db

Where is a good place to get a scale?

 

[supersoldier]

Where is a good place to get a scale?

www.1fast400.com

 

[MarcusG]

Do a search for scale. I posted a thread some time ago.

I wouldn't divide it by hand on potent compounds. That would be dangerous. Get a scale with at least 0.01g or 10mg precision - a cheap $13 analog scale would work.

 

[Longdog]

You can get a Lucky 11 analog gem scale for $10. Thats what I use. Its accurate to 10 milligram increments. It sucks for measuring out large quantities because only 5 grams will fit on the tray, but it's great for small quantities.