Description
Sum nonnegative componentVolumes, subtract contractionVolume for expectedFinal, compare finalVolume for residual, and subtract withdrawn within finalVolume for remaining.
Laboratory balances track material amounts, container counts, and storage positions. A balance model requires compatible units and a clear accounting boundary; arithmetic agreement is not evidence that the physical inventory or study record is complete.
Sum nonnegative componentVolumes, subtract contractionVolume for expectedFinal, compare finalVolume for residual, and subtract withdrawn within finalVolume for remaining.
When to use this tool
Use GLP Reagent Preparation Volume Reconcile when you need a laboratory amount, inventory, or storage-budget calculation.
How to use the tool and how it works
- Enter componentVolumes, finalVolume, contractionVolume, withdrawn. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read sumComponents, expectedFinal, residual, remaining. Use the output convention below.
Sum nonnegative componentVolumes, subtract contractionVolume for expectedFinal, compare finalVolume for residual, and subtract withdrawn within finalVolume for remaining.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| componentVolumes | Component Volumes | Required. Array of finite number; maximum items 256. |
| finalVolume | Final Volume | Required. Finite number; minimum 0. |
| contractionVolume | Contraction Volume | Required. Finite number; minimum 0. |
| withdrawn | Withdrawn | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| sumComponents | Sum Components | Required. Finite number. |
| expectedFinal | Expected Final | Required. Finite number. |
| residual | Residual | Required. Finite number. |
| remaining | Remaining | Required. Finite number. |
{
"input": {
"componentVolumes": [
20,
30
],
"finalVolume": 48,
"contractionVolume": 2,
"withdrawn": 5
},
"output": {
"sumComponents": 50,
"expectedFinal": 48,
"residual": 0,
"remaining": 43
}
}Limitations and assumptions
- Contraction can exceed summed components and create negative expectedFinal; quantities share volume units and the supplied model does not establish actual chemistry, reagent quality, or safe preparation.
- 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
Reconcile the actual inventory and study records using the laboratory's controlled method. Physical inspection and traceable measurements may be needed when record arithmetic leaves uncertainty.
References
Similar or alternative tools
- GLP Retained Sample Minimum Caller Gap
Subtract scheduled use and reserve for remaining, then required for margin and an inclusive sufficient flag.
- GLP Reagent Expiry Precision
Mark definitelyBeforeExpiry only below the lower bound, definitelyAfterExpiry only above the upper bound, and ambiguous at either bound and throughout the interval.