Input interpretation
![polyprotic acids | autoignition point](../image_source/78b5ec0581a2458f724c11adf3055d04.png)
polyprotic acids | autoignition point
Summary
![median | 363 °C highest | 496 °C (phthalic acid) lowest | 200 °C (edetic acid) distribution | | (based on 4 values; 16 unavailable)](../image_source/c53662b145e1f407201a9015a07c2e2c.png)
median | 363 °C highest | 496 °C (phthalic acid) lowest | 200 °C (edetic acid) distribution | | (based on 4 values; 16 unavailable)
Entities with missing values
![sulfuric acid | chromic acid | oxalic acid | pyrophosphoric acid | selenic acid | sulfurous acid | phosphorous acid | phosphoric acid | arsenic acid, solid | malonic acid | ... (total: 16)](../image_source/57bba1bf975043ff885fece9757643e6.png)
sulfuric acid | chromic acid | oxalic acid | pyrophosphoric acid | selenic acid | sulfurous acid | phosphorous acid | phosphoric acid | arsenic acid, solid | malonic acid | ... (total: 16)
Autoignition point rankings
![1 | edetic acid | 200 °C 2 | citric acid | 345 °C 3 | ascorbic acid | 380 °C 4 | phthalic acid | 496 °C (based on 4 values; 16 unavailable)](../image_source/20624cc8111735ad2ded58143bd872df.png)
1 | edetic acid | 200 °C 2 | citric acid | 345 °C 3 | ascorbic acid | 380 °C 4 | phthalic acid | 496 °C (based on 4 values; 16 unavailable)
Unit conversions for median autoignition point 363 °C
![636 K (kelvins)](../image_source/7108f52df1c6b6e20530ee659ce53d19.png)
636 K (kelvins)
![684 °F (degrees Fahrenheit)](../image_source/cc980f8ce06e5b4b108ac229f5eb90f6.png)
684 °F (degrees Fahrenheit)
![1144 °R (degrees Rankine)](../image_source/a2803d5e976adeb70ff6255b2ff624da.png)
1144 °R (degrees Rankine)
![290 °Ré (degrees Réaumur)](../image_source/43d397ae6d4e9c372a0a5c54e7bffaf0.png)
290 °Ré (degrees Réaumur)
![198 °Rø (degrees Rømer)](../image_source/326b6581e1c08406f6c7488e4ca7fae6.png)
198 °Rø (degrees Rømer)
Comparison for median autoignition point 363 °C
![120 °C below typical temperature of an electric oven during self-cleaning (900 °F)](../image_source/cbc1c087eb3e0e29fb2cb0d6fc7a8e32.png)
120 °C below typical temperature of an electric oven during self-cleaning (900 °F)
![35 °C above melting point of lead (327.46 °C)](../image_source/14ddc528467bc49f6b3bce15c5aafd60.png)
35 °C above melting point of lead (327.46 °C)
Corresponding quantities
![Thermodynamic energy E from E = kT: | 55 meV (millielectronvolts)](../image_source/7b01cb47c19253c0f34c913554b71b55.png)
Thermodynamic energy E from E = kT: | 55 meV (millielectronvolts)
![Blackbody energy flux Φ from Φ = σT^4: | 9257 W/m^2 (watts per square meter)](../image_source/bad5f4075a7f180dcfefcce3214d0179.png)
Blackbody energy flux Φ from Φ = σT^4: | 9257 W/m^2 (watts per square meter)
![Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 1.7×10^-5 lx (lux)](../image_source/27a35a42d45b5e5b3c894d81b9e4a0cf.png)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 1.7×10^-5 lx (lux)