Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
10 without a DOI — not checked. A reference
deposited without a DOI is never matched by title or guessed at; it stays outside the checked
set, and this line discloses that.
A novel approach to recover lead oxide from spent lead acid batteries by desulfurization and crystallization in sodium hydroxide solution after sulfation
Preparation of high-purity lead oxide from spent lead paste by low temperature burning and hydrometallurgical processing with ammonium acetate solution
A green recycling process of the spent lead paste from discarded lead–acid battery by a hydrometallurgical process
The 10 references without a DOI — listed, not checked
no DOI — not checkedLange's Handbook of Chemistry
no DOI — not checkedref7
no DOI — not checkedClean and efficient recovery of spent LiCoO 2 cathode material: Water-leaching characteristics and low-temperature ammonium sulfate calcination mechanisms
no DOI — not checkedA new desulfation process of spent lead paste via cyclic utilization of CO 2 -NH 3 �H 2 O
no DOI — not checkedReview on clean recovery of discarded/spent lead-acid battery and trends of recycled products
no DOI — not checkedA closed-loop ammonium salt system for recovery of high-purity lead tetroxide product from spent lead-acid battery paste
no DOI — not checkedStudies on individual pyrolysis and co-pyrolysis of corn cob and polyethylene: Thermal degradation behavior, possible synergism, kinetics, and thermodynamic analysis
no DOI — not checkedResearch on desulfurization of lead paste in spent lead-acid battery
no DOI — not checkedPreparation of high-purity lead carbonate and lead oxide from spent lead paste
no DOI — not checkedFacile method for preparing a nano lead powder by vacuum decomposition from spent lead-acid battery paste: leaching and desulfuration in tartaric acid and sodium tartrate mixed lixivium
What this badge says. CiteStamped means the CHECKABLE references of this
work were clean at the dated check: each resolved to a known work in a public registry, and none
carried a retraction notice at that time. It says nothing about the quality, findings,
or importance of the work itself, and nothing about references deposited without a DOI.
checked 2026-09-18 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.