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  2. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    SI multiples of gram (g) Submultiples Multiples Value SI symbol Name Value SI symbol Name 10 −1 g dg decigram 10 1 g dag decagram 10 −2 g cg: centigram: 10 2 g hg hectogram 10 −3 g mg: milligram: 10 3 g kg: kilogram: 10 −6 g μg: microgram (mcg) 10 6 g Mg megagram 10 −9 g ng: nanogram: 10 9 g Gg gigagram 10 −12 g pg picogram 10 12 g ...

  3. Microgram - Wikipedia

    en.wikipedia.org/wiki/Microgram

    In the metric system, a microgram or microgramme is a unit of mass equal to one millionth (1 × 10 −6) of a gram. The unit symbol is μg according to the International System of Units (SI); the recommended symbol in the United States and United Kingdom when communicating medical information is mcg .

  4. Parts-per notation - Wikipedia

    en.wikipedia.org/wiki/Parts-per_notation

    In mining, it is also equivalent to one gram per metric ton, expressed as g/t. One part per billion (ppb) denotes one part per 1,000,000,000 (10 9) parts, and a value of 10 −9. This is equivalent to about three seconds out of a century. One part per trillion (ppt) denotes one part per 1,000,000,000,000 (10 12) parts, and a value of 10 −12 ...

  5. Mass concentration (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Mass_concentration_(chemistry)

    Although there are examples to the contrary, it should be stressed that the commonly used "units" of % w/v are grams per millilitre (g/mL). 1% m/v solutions are sometimes thought of as being gram/100 mL but this detracts from the fact that % m/v is g/mL; 1 g of water has a volume of approximately 1 mL (at standard temperature and pressure) and ...

  6. Ferritin - Wikipedia

    en.wikipedia.org/wiki/Ferritin

    They are measured in nanograms per milliliter (ng/mL) or micrograms per liter (μg/L); the two units are equivalent. The ferritin levels measured usually have a direct correlation with the total amount of iron stored in the body.

  7. Module:Convert/documentation/conversion data - Wikipedia

    en.wikipedia.org/wiki/Module:Convert/...

    grams per cubic decimetre: gram per cubic decimeter: grams per cubic decimeter: kg/m3: Density: g/L: g/L: 1: gram per litre: grams per litre: gram per liter: grams per liter: lb/cuin: Density: g/mL: g/mL: 1000: gram per millilitre: grams per millilitre: gram per milliliter: grams per milliliter: lb/cuin: Density: g/ml: g/ml: 1000: gram per ...

  8. Vitamin D not recommended for preventing fractures in older ...

    www.aol.com/vitamin-d-not-recommended-preventing...

    The U.S. Preventive Services Task Force released a draft recommendation advising against using vitamin D to prevent falls and fractures in people over 60. Pharmacist Katy Dubinsky weighs in.

  9. Kilogram - Wikipedia

    en.wikipedia.org/wiki/Kilogram

    1795: the gram (1 / 1000 of a kilogram) was provisionally defined as the mass of one cubic centimetre of water at the melting point of ice. [12] 1799: The Kilogramme des Archives was manufactured as a prototype. It had a mass equal to the mass of 1 dm 3 of water at the temperature of its maximum density, which is approximately 4 °C. [13]