Saturation vapor pressure of water from 1 to 100 C by Antoine and Magnus equatio...
https://thermo-heat-calc.x402tookit.com/saturation-pressure-waterOverview
Saturation vapor pressure of water from 1 to 100 C by Antoine and Magnus equations, or the boiling point at a pressure.
Protocol
x402
Price
$0.02
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USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Thermodynamics and Heat Transfer
Source
bazaar
Indexed
2026-11-02 04:13:46
Health
Status
unknown
Latency (p50)
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Uptime (30d)
—
Reliability Score
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Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
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Input Schema
{
"method": "GET",
"queryParams": {
"temperatureC": 25
},
"type": "http"
}
Output Schema
{
"example": {
"antoineBar": 0.031579292,
"antoineKpa": 3.1579292,
"antoineMmHg": 23.686414,
"asOf": "2026-10-21T06:33:57.390Z",
"boilingPointAtAtmosphereC": null,
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"magnusKpa": 3.161736,
"magnusMinusAntoinePct": 0.12055,
"notChecked": [
"accuracy beyond the stated range (Antoine is fitted for 1 to 100 C)",
"salinity, dissolved gases or non-pure water",
"…1 more"
],
"reasons": [
"Antoine (Stull/NIST constants A 8.07131, B 1730.63, C 233.426, pressure in mmHg, T in C) fits 1 to 100 C to within about 1% of steam tables (about 0.5% above 20 C).",
"Magnus (Alduchov and Eskridge) is accurate to about 0.4% from -40 to 60 C and drifts to about 2.7% high at 100 C.",
"…1 more"
],
"source": "computed locally (Antoine: log10 P[mmHg] = 8.07131 - 1730.63/(233.426 + T), 1-100 C; Magnus: 0.61094 exp(17.625 T/(T + 243.04)) kPa)",
"summary": "Water at 25 C: saturation pressure 3.15793 kPa (Antoine) or 3.16174 kPa (Magnus).",
"temperatureC": 25,
"temperatureK": 298.15,
"verdict": "COMPUTED"
},
"type": "json"
}