Sehemu kwa kila kigeuzi

Badilisha kati ya sehemu-kwa milioni (ppm), sehemu-kwa bilioni (ppb), sehemu-kwa trilioni (ppt), asilimia, na zaidi kwa usahihi

Sehemu kwa kila ubadilishaji

Matokeo ya uongofu

Parts per Million (ppm)
Parts per Billion (ppb)
Parts per Trillion (ppt)
Parts per Quadrillion (ppq)
Percentage (%)
Per-mil (‰)
Per-myriad (‱)
Molar (mol/L)
Molal (mol/kg)

Historia ya uongofu

Bado hakuna ubadilishaji

Taswira ya Uongofu

Kuhusu sehemu kwa kila nukuu

Sehemu-kwa nukuu ni seti ya vitengo vya uwongo kuelezea maadili madogo ya idadi isiyo na vipimo, kwa mfano, sehemu ya mole au sehemu ya wingi. Kwa kuwa sehemu hizi ni hatua za wingi-kwa-wingi, ni nambari safi zisizo na vitengo vinavyohusiana vya kipimo.

Sehemu za kawaida-kwa nukuu katika sayansi na uhandisi ni pamoja na:

  • ppm (parts per million): 10⁻⁶
  • ppb (parts per billion): 10⁻⁹
  • ppt (parts per trillion): 10⁻¹²
  • ppq (parts per quadrillion): 10⁻¹⁵
  • Percentage (%): 10⁻²
  • Per-mil (‰): 10⁻³
  • Per-myriad (‱): 10⁻⁴

Fomula za Uongofu

Ubadilishaji wa kimsingi

ppm = ppb × 1000
ppb = ppt × 1000
ppt = ppq × 1000
ppm = asilimia × 10,000
asilimia = ppm ÷ 10,000

Ubadilishaji wa Molar na Molal

To convert between molar (mol/L) or molal (mol/kg) and parts-per units, you need to know the molar mass of the substance and the density of the solution.

ppm = (molarity × molar_mass × 1000) ÷ density
molarity = (ppm × density) ÷ (molar_mass × 1000)

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