SPC Charts

Statistical process control per product per analyte — Western Electric rules evaluated on every new assay.

4 rule violations

Nutrilock Hydroxy Copper — Copper

SKU CLK-NHC-54 · Spec 52–56 % · Target 54 % · Trailing 24 lots

Latest assay

54.82 %

Lot CLK-25-0135 · 2026-07-24

Process statistics

Mean (x̄)54.105 %

UCL (+3σ)55.276 %

LCL (-3σ)52.933 %

Spec band52–56 %

Rule violations

Clicking through opens a pre-filled quality event in production. 4 flagged in this series.

Lot	Date	Value	Rule triggered
CLK-25-0115	2026-03-06	53.99 %	Rule 4: 8 consecutive on one side of mean
CLK-25-0117	2026-03-20	53.88 %	Rule 4: 8 consecutive on one side of mean
CLK-25-0119	2026-04-03	54.03 %	Rule 4: 8 consecutive on one side of mean
CLK-25-0121	2026-04-17	53.59 %	Rule 4: 8 consecutive on one side of mean