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Precious Metals
Silver-Bearing Film
Grade: Sifilm/SimxHigh Tier
Photographic film, X-ray film with silver content
Market Price EstimateUpdated Daily
$12,500/ MT
+750 (6.4%)vs yesterday
Verified specifications & market data
Chemical Composition
Elemental breakdown by percentage weight.
Standard composition limits
Values represent maximum allowed percentage unless otherwise noted.
Physical Properties
Material form, density, and contamination specifications.
Post-use silver-bearing photographic/radiographic waste; outdated photographic film (35mm, 120mm, large format), expired X-ray films from medical facilities (hospitals, dentists, veterinarians), radiographic inspection films from industrial applications; established precious metal recovery infrastructure; moderate silver concentration; specialty recycling stream with environmental/medical waste considerations
Acceptable Inclusions
- Silver 1-3% (film specification)
- Gelatin emulsion 0-50% (binder)
- Polyester/acetate base 0-40% (substrate)
- Organic dyes/sensitizers 0-5% (color components)
- Hardening agents 0-5% (processing chemicals)
- Inert fillers/anti-curl agents 0-5% (substrate additives)
- Chemical residue from developing (fixer, developer; acceptable trace)
Prohibited Materials
- Silver <1% (below specification)
- Formaldehyde >0.1% (hazmat exceeds; health concern)
- Unknown processing chemicals (hazmat uncertainty)
- Contaminated with heavy metals (non-standard waste)
- Mixed paper-based prints (cellulose paper instead of polyester)
- Severely degraded film (no recovery value)
Quality Assurance
Testing protocols, sampling methods, and acceptance criteria.
Sampling Protocol
frequencysampling: medical X-ray separate, photographic separate, microfilm separate; age variation sampling; hazmat screening comprehensive
maximumQuantity1000+ individual sheets per shipment
minimumQuantity10-50 kg or 100-500 film sheets
percentage10-15% of lot
Acceptance Limits
all Criteria Must PassMaterial must be silver-bearing film 1-3%; film integrity ; hazmat formaldehyde tolerance ; precious metal specification
film TypeIdentifiable as silver-bearing photographic/X-ray film; silver-bearing characteristic
hazmat ComplianceFormaldehyde <0.1% ; processing chemical residue acceptable; occupational safety
material IntegrityFilm structurally sound ; recovery processing feasible; no advanced degradation
silver ContentAg 1-3% within specification
source VerificationMedical/photography/archive source ; appropriate precious metal waste stream; hazmat profile
Weight Tolerance
measurementBulk weight acceptable; precision secondary
variance±5% from purchase order weight
Required Test Methods
100% Visual Film Type Identification
CRITICALABSOLUTEMANDATORY
Purpose
- confirm silver-bearing film (not non-silver waste)
- identify film type (medical X-ray vs. photographic vs. microfilm)
- assess visual condition
Acceptance Criteria
- Silver-bearing film apparent (emulsion visible
- characteristic appearance)
- film type identifiable
- no obvious contamination
Procedure
- 100% visual inspection
- inspect for photographic/X-ray emulsion characteristic
- identify format (medical vs. 35mm vs. microfilm)
- assess film integrity visual
- detect obvious mold/degradation
Film Type & Source Classification
CRITICALEXTREME
Purpose
- categorize by film type (medical X-ray, color photographic, B&W, microfilm specific)
- estimate silver content variability by type
- hazmat risk profile stratification
Acceptance Criteria
- Film type
- source/use identified
- silver recovery potential estimated
- hazmat profile
Procedure
- Visual assessment
- identify medical imaging vs. photography classification
- estimate film age/storage condition
- classify hazmat risk formaldehyde exposure (age-dependent)
Silver Content Analysis
MANDATORYEXTREME
Purpose
- verify silver 1-3% specification
- quantify total silver recovery potential
- estimate refining yield
- validate film classification
Acceptance Criteria
- Silver within 1-3% specification
- silver content quantified
- silver halide compound identified
Procedure
- XRF spectrometry (non-destructive surface analysis PREFERRED) or fire assay (destructive bulk verification)
- quantify silver halide compound explicit
- estimate recovery percentage
Formaldehyde Hazmat Screening
CRITICALABSOLUTEEXTREME
Purpose
- detect formaldehyde <0.1% limit
- assess developer/fixer residue level
- evaluate occupational hazard
Acceptance Criteria
- Formaldehyde <0.1% VERIFIED PRECISE extreme
- processing chemical residue acceptable
- occupational safety
Procedure
- Headspace gas chromatography for formaldehyde quantification precision
- residual chemistry assessment comprehensive
- hazmat element quantified ppt-level precision (formaldehyde <0.1% )
Processing Chemical Residue Assessment
CRITICAL
Purpose
- quantify developer/fixer residue
- assess sodium thiosulfate levels
- evaluate chemical safety profile
Acceptance Criteria
- Processing chemical residue documented
- safety profile established
- no unknown hazmat detected
Procedure
- Chemical analysis developer/fixer residue
- sodium thiosulfate quantification
- unknown chemical screening
- safety profile establishment
Film Integrity & Degradation Assessment
CRITICAL
Purpose
- evaluate film condition
- assess recovery feasibility
- identify severely degraded material
Acceptance Criteria
- Film structurally sound
- no advanced degradation
- recovery processing feasible
Procedure
- Visual inspection brittleness/cracking/mold
- gelatin emulsion hydration assessment
- polyester base integrity check
- determine recovery processing viability
ICP-AES Comprehensive Elemental Analysis
Purpose
- verify silver 1-3%
- detect trace contaminants
- assess total elemental profile if premium recovery expected
Acceptance Criteria
- Silver quantified
- no unexpected contaminants
- elemental profile
Procedure
- ICP-AES comprehensive analysis
- silver quantification ultra-precise
- trace elements documented
- contamination screening