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Vitaquest ICP metal fail is not NutraScience heavy-metal fail
Ratio ICP metal fails to batches on one Vitaquest assay cut. That ratio is VQ metal-fail %.
Pair: Heavy-metal fail rate on Stock. NutraScience twin: heavy-metal fail. Detector twin: metal-detect reject.
What you type
Heavy-metal fails — Vitaquest lots that failed ICP heavy-metal assay in the cut.
Batches — Batches / lots in that same Vitaquest assay cut.
VQ metal-fail % = heavy-metal fails ÷ batches × 100. Fat VQ metal-fail % usually means raw / supplier metal — chase that path; never invent a VQ metal-fail chip.
What not to do
Skip inventing VQ metal-fail %. Skip dumping a NutraScience COA metal file into Vitaquest fields. Skip folding metal-detect scrap into ICP fail counts. Skip averaging every SKU when one assay seat owns the hole.
Related: Stock, heavy-metal fail, metal-detect reject, moisture-fail.
Procedure
- Type heavy-metal fails and batches.
- Read VQ metal-fail %.
- Chase raw / supplier metal when VQ metal-fail % is material.
Failure modes
- Inventing VQ metal-fail %.
- Dumping a NutraScience COA metal file into Vitaquest fields.
- Folding metal-detect scrap into ICP fail counts.
Worked example
None on this page yet. When one lands it will be a real case: what broke, the number, and what changed. Not a composite.
Glossary
- VQ metal-fail %
- Heavy-metal fails ÷ Batches × 100.
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FAQ
- Is this NutraScience heavy-metal fail rate?
- Different CMO plant book. [Heavy-metal fail rate](/manuals/nutrascience-heavy-metal-fail-rate) reads NutraScience COA metals. Here you only ratio Vitaquest ICP metal fails against Vitaquest batches.
- Is this Vitaquest metal-detect reject rate?
- Sibling Vitaquest door on the detector, not ICP assay. [Metal-detect reject rate](/manuals/vitaquest-metal-detect-reject-rate) is detector scrap. This page is ICP heavy-metal assay fails.
- What VQ metal-fail % should I invent?
- None. Pull heavy-metal fails and batches from the same Vitaquest assay cut.