Description
Subtract filterTare and blankNetMass from grossDryMass for netDryMass, then divide by positive sampleVolume.
A residual is the signed difference between an observation and a declared reference or blank. Retaining its sign is useful for detecting overcorrection and incompatible measurement bases.
Subtract filterTare and blankNetMass from grossDryMass for netDryMass, then divide by positive sampleVolume.
When to use this tool
Use Microbial Biomass Dry Mass Volume Factor when you need an explicit assay residual or supported-count comparison.
How to use the tool and how it works
- Enter grossDryMass, filterTare, blankNetMass, sampleVolume. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read netDryMass, dryMassPerVolume. Use the output convention below.
Subtract filterTare and blankNetMass from grossDryMass for netDryMass, then divide by positive sampleVolume.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| grossDryMass | Gross Dry Mass | Required. Finite number; minimum 0. |
| filterTare | Filter Tare | Required. Finite number; minimum 0. |
| blankNetMass | Blank Net Mass | Required. Finite number. |
| sampleVolume | Sample Volume | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| netDryMass | Net Dry Mass | Required. Finite number. |
| dryMassPerVolume | Dry Mass Per Volume | Required. Finite number. |
{
"input": {
"grossDryMass": 1.2,
"filterTare": 1,
"blankNetMass": 0.02,
"sampleVolume": 0.1
},
"output": {
"netDryMass": 0.17999999999999997,
"dryMassPerVolume": 1.7999999999999996
}
}Limitations and assumptions
- Mass units must match and the volume sets the denominator unit; negative net results remain possible and biological identity is not determined.
- 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
Inspect measurement uncertainty, reporting qualifiers, and the original laboratory records before interpreting a discrepancy.
References
Similar or alternative tools
- Microbial Blank Negative Case Token
Subtract blank from signal and return separate negative and exact-zero flags.
- Dilution Plate Volume Factor
Multiply suppliedDilutionFraction, platedVolume, and suppliedVolumeUnitFactor for effectiveSourceVolume.