Free, labile and total copper in aquarium reports worksheet

Article: https://fishymag.com/articles/aquarium-copper-free-labile-total
Scheduled publication: 2026-11-10T04:00:00.000Z
Original FishyMag editorial worksheet. Worked cases are illustrative, not records of a real aquarium or treatment instructions.

Report identity and common collection evidence: ______________________________

Free-ion activity versus concentration convention: ______________________________

Activity coefficient or applicable calibration record: ______________________________

Labile method and analytical response window: ______________________________

Digestion and elemental reporting basis: ______________________________

Sample-fraction and timing comparability: ______________________________

Permissible arithmetic versus unproved fraction subtraction: ______________________________

Exact attachments needed to complete the comparison: ______________________________