Part · materials

Potassium strengthening salt

Purify selected crude potassium nitrate and dry strengthening bath feed; discovery hypothesis only.

Discovered · unresearchedClosure: OpenInventory incomplete

Capability requirements and tolerances

Consumer-specific numerical targets, quantities and acceptance limits remain open or incompletely reviewed. No smartphone-grade suitability is claimed. Distinct capability tiers require their own making route and qualification.

Making steps · draft selected for navigation; not a validated fabrication specification.

Known Parts and Tools

The selected route supplies this page's inventory and the map's dependency links from one record. Further requirements may be missing; review flags do not prove physical suitability.

Requirement	Role	Use	Relationship status
Crude potassium nitrate	Part	consumed feed/processing stock or incorporated material; exact stock and losses unknown	Cycle-checked; compatibility unknown
Pure water	Part	consumed feed/processing stock or incorporated material; exact stock and losses unknown	Cycle-checked; compatibility unknown
Recrystallization equipment	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Filtration	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Containers	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Analytical instruments	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Chemical protection equipment	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Chemical effluent collection equipment	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown

Unselected candidate inventories · 1

These records expose known requirements and alternative or blocked hypotheses. They add no manufacturing links or selected discovery depth.

Synthesize and purify selected potassium nitrate strengthening salt

Acids and bases · part
Chemical workshop · tool
Distillation · tool
Chemical purification equipment · tool
Analytical instruments · tool

Inventory is a hypothesis; handling, waste, protection, calibration, quantities, losses and suitability are not completely identified.

Making outline

Purify selected crude potassium nitrate and dry strengthening bath feed
Keep separated intermediate states and retain/assay a witness sample; process settings and acceptance limits remain unknown.

What remains unresolved

Candidate method, complete inventory, caller demands and physical compatibility require research and review.
Complete inventory, source-supported recipe, independent acceptance, caller demands, stock/loss and availability remain unreviewed.
KNO3 feed synthesis and molten ion-exchange bath demands unresolved; isolated salt dryer remains a constituent of unexpanded recrystallization equipment, not automatically battery-electrode dryer equivalence.

Canonical reuse assessment

{
  "existing_candidates_checked": [
    "acids-bases"
  ],
  "decision": "Molten ion-exchange salt chemistry differs from unspecified acid/base stock.",
  "availability": "No physically built/qualified inventory is asserted."
}

Proposed capability specification

{
  "function": "Potassium strengthening salt",
  "quantity": "NOT_RESEARCHED",
  "precision_purity_performance": "NOT_RESEARCHED",
  "acceptance": "NOT_RESEARCHED"
}

Earlier research provenance

2026-10-08 materials discovery proposal; original record retained where reused
2026-10-09 materials breadth pass 03

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Used by

Items that directly require this item in their selected inventory.

Paths from Smartphone

These routes together include every item that can lead from Smartphone to this item. Repeated path combinations are collapsed; recipes are omitted.

Shortest route: Smartphone → Cover glass → Potassium strengthening salt

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