Description
Return weighedMass*purity/(finalVolume*dilutionFactor).
Soil and plant analytical results depend on sample mass, extraction volume, dilution, blanks and dry-matter basis. Concentration in an extract is distinct from analyte mass per soil mass or an inventory per field area. A unit conversion does not convert between analytical methods or establish nutrient availability.
Return weighedMass*purity/(finalVolume*dilutionFactor).
When to use this tool
Use Agrochemical Standard Purity Dilution Factor when checking the stated benign analytical concentration, inventory or calibration basis.
How to use the tool and how it works
- Enter weighedMass, purity, finalVolume, dilutionFactor. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read concentration. Use the output convention below.
Require nonnegative weighed mass, purity in [0,1] and positive final volume/dilution factor. Return weighedMass*purity/(finalVolume*dilutionFactor).1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| weighedMass | Weighed Mass | Required. Finite number; minimum 0. |
| purity | Purity | Required. Finite number; minimum 0; maximum 1. |
| finalVolume | Final Volume | Required. Finite number; strictly above 0. |
| dilutionFactor | Positive divisor applied after the stock mass/final-volume concentration. | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| concentration | Concentration | Required. Finite number. |
{
"input": {
"weighedMass": 10,
"purity": 0.9,
"finalVolume": 100,
"dilutionFactor": 2
},
"output": {
"concentration": 0.045
}
}Limitations and assumptions
- This evaluates a benign analytical concentration term; no preparation procedure, safe handling limit or verified standard quality is supplied.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use verified laboratory methods, compatible units and qualified laboratory/agronomic assessment for actual analytical interpretation, chemical handling or field management.
References
Similar or alternative tools
- Fertilizer Application Calibration Catch Area
Subtract background mass from caught mass, divide by coveredArea and scale by reportingArea.
- Soil Extract Dilution Factor
Calculate an explicit extract aliquot-to-final-volume dilution factor without prescribing extraction conditions.