Questions and answers on how to convert things from one unit or system to another
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Wed Aug 05, 2009 1:23 pm
kelp can conatin some arsenic so emailed the company whop told me that it contained 10ppm or when tested typically 0.9ppm the tablet is 150micrograms
i cant figure it out maths i am hopeless at
is 150upg 0.15mg??? if so then what percentage of arsenic is in that one tablet if its 10ppm or 0.9ppm another company said their kelp was <1ppm so whats that in micrograms and what percent of arsenic is in that??
hope someone brainy can help as im not sure if i want to take the tablet
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