comparison: www/js/global.js
www/js/global.js
- changeset 810
- 1f2ca835fe9d
- parent 806
- 09f29253cc7e
- child 818
- f9c071906643
equal
deleted
inserted
replaced
| 809:8b30068497a9 | 810:1f2ca835fe9d |
|---|---|
| 1219 if ((cm >= 0) && (kettle_vol > 0) && (cm <= (kettle_height * 100))) | 1219 if ((cm >= 0) && (kettle_vol > 0) && (cm <= (kettle_height * 100))) |
| 1220 return Round(((kettle_height - (cm / 100)) / kettle_height) * kettle_vol, 1); | 1220 return Round(((kettle_height - (cm / 100)) / kettle_height) * kettle_vol, 1); |
| 1221 return 0; | 1221 return 0; |
| 1222 } | 1222 } |
| 1223 | 1223 |
| 1224 | |
| 1225 function Hardness(calcium, magnesium) { | |
| 1226 return 2.497 * calcium + 4.164 * magnesium; | |
| 1227 } | |
| 1228 | |
| 1229 | |
| 1230 function Bicarbonate(total_alkalinity, ph) { | |
| 1231 return (total_alkalinity / (1 + 2*Math.pow(10, ph - 10.33)) * MMHCO3 /*61.016*/ / (MMCaCO3 / 2) /*50.043*/); | |
| 1232 } | |
| 1233 | |
| 1234 | |
| 1235 function RA_CaCO3(bicarbonate, carbonate, calcium, magnesium) { | |
| 1236 return ((bicarbonate / MMHCO3) + (2*carbonate / MMCO3) - (2*calcium / MMCa)/3.5 - (2*magnesium / MMMg)/7) * 50; | |
| 1237 } | |
| 1238 | |
| 1239 | |
| 1240 function ResidualAlkalinity(total_alkalinity, calcium, magnesium) { | |
| 1241 return total_alkalinity - (calcium / 1.4 + magnesium / 1.7); | |
| 1242 } | |
| 1243 | |
| 1244 |
