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Joined : 25 Jul 2007 Posts : 657 Location : Cape Town
 | Subject: How to measure quantities Fri Jun 27, 2008 1:11 pm | |
| 1 drop from eyedropper = .02 ml 1 teaspoon = 6ml 1 tablespoon = 20ml 1 ml = 1cc 1 teacup = 180ml 1 gm = 15 gr grains = 1000 mg 1 level teaspoon = 6gm +/- 1 level tablespoon = 20 gm +/- 1 teacup = 220 gm +/- 1 ppm = 1mg/litre -or- 1 mg/1000ml
Percent solutions are 1000mg/100cc. For example a 2% = 20mg/cc, 5% = 50mg/cc, 5.5% = 55mg/cc, etc...
Prepare a 1% solution of Malachite green (500 mg of powder in bottle). How many mL of sterile water will you use? Answer: First convert 1% solution to mg/cc. A 1% solution is the same as 1000 milligrams in 100 cc or 10mg/cc. _________________ Paul Viljoen E Mail: koi@absamail.co.za ; http://www.koionline.co.za |
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