Source Confirmed
Seller-confirmed
- Multi-module Dionex stack with autosampler/sample-handler and visible service bay
Analysis snapshotSnapshot decision:REVIEW
Dionex AS50-Based Ion Chromatography System — Auction Analysis
A substantial Dionex AS50-family multi-module stack is visibly present, but exact pump, detector, suppressor, columns, software, plumbing, and function remain unresolved. The $3,500 post-verification resale basis supports only a $250 blind hammer ceiling.
Stale-data warning
Analysis snapshot · Open at observation — observed October 1, 2026. This is an immutable observation, not a live feed. The auction is scheduled to close October 7, 2026. Price, status, close time, and terms may have changed. Check the source auction before bidding.
Decision at a glance
RecommendationREVIEW
- Maximum hammer bid
- $250
The auction bid ceiling supported by this analysis, if one is defensible; see costs below for buyer-premium treatment.
Why this decision
REVIEW: At $2,500 resale or with $500 more testing/repair cost, no non-negative hammer satisfies the 30% ROI requirement.
What to verify before bidding
- No complete functional workflow is established.
See costs and maximum bid for the displayed assumptions and buyer-premium treatment.
- Snapshot auction result
- Not captured
- Bidders
- Not captured
- Blind-model resale
- $3,500
Snapshot provenance and timing · observed Oct 1, 2026, 6:17 AM UTC · scheduled close October 7, 2026
GSA Auctions sale 3-1-QSC-I-26-593, lot 012 · Denver Federal Center, Colorado 80225
Snapshot observed Oct 1, 2026, 6:17 AM UTC
Scheduled close October 7, 2026
Analysis prepared Oct 1, 2026, 6:17 AM UTC
Published October 1, 2026 · page updated October 1, 2026
Prepared and published by Oleksii Udod for LotCaliper.
Currently open related analyses
FirstDefender RM / TruDefender FTScheduled close October 13, 2026 · Same equipment familyAgilent GC/MS system — probable 6890-series GC plus 5973 MSDScheduled close October 7, 2026 · Same equipment familyNox T3/T3s + Nonin 3150 BLEScheduled close October 13, 2026 · Same category
These are individually prepared, time-stamped analyses with recorded scheduled closes. Verify the official auction before acting.
Auction snapshot
October 1, 2026 GSA observation; numeric bid and bidder count were not established.
A substantial Dionex AS50-family multi-module stack is visibly present, but exact pump, detector, suppressor, columns, software, plumbing, and function remain unresolved. The $3,500 post-verification resale basis supports only a $250 blind hammer ceiling.
Review and correction history
Independent review not required. No corrections recorded.
View review and correction details
Independent review not required
No mandatory independent review was required under the current gate. This is not an approval.
How independent review worksHow evidence is classified
Seller facts, photo-derived observations, manufacturer context, unknowns, and LotCaliper assumptions remain explicitly separated.
Photo Derived
Photo-derived
- Supplied photographs support bounded physical-presence and exterior observations only; they do not prove seller inclusion or function.
Not Established
Not established
- Exact pump, detector, eluent generator, suppressor, columns, Chromeleon environment, complete plumbing/cabling, and analytical function
Lotcaliper Assumption
LotCaliper assumptions
- Conservative resale is $3500; blind hammer ceiling is $250 before any unknown premium.
Structured photo observations (1)
These are bounded observations from the preserved photographs. They do not establish functional operation or seller inclusion beyond the corresponding source evidence.
Module Accessory · Confirmed
Multi-module Dionex stack with autosampler/sample-handler and visible service bay
Photo confidence: Medium High
Equipment identity
Laboratory · quantity 1
Dionex Dionex AS50-based ion chromatography system
Identity confidence: High
Identity evidence
Seller identifies an AS50 system; photos show a multi-module Dionex stack, not confirmed GP50/ED50/EG50 or exact system configuration.
GSA Auctions · Text · observed Oct 1, 2026, 6:17 AM UTC
Configuration
Multi-module Dionex stack with autosampler/sample-handler and visible service bay
Confirmed · Medium High confidence
Configuration evidence
Multi-module Dionex stack with autosampler/sample-handler and visible service bay
GSA Auctions · Image · observed Oct 1, 2026, 6:17 AM UTC
Exact pump, detector, eluent generator, suppressor, columns, Chromeleon environment, complete plumbing/cabling, and analytical function
Not established · no source evidence establishes presence or absence
Configuration evidence
Exact pump, detector, eluent generator, suppressor, columns, Chromeleon environment, complete plumbing/cabling, and analytical function
GSA Auctions · Image · observed Oct 1, 2026, 6:17 AM UTC
Condition
As-is / repair risk
Seller states used condition, possible missing parts, and possible repairs; open service bay is visible but is not proof of damage or missing internals.
Evidence confidence: High
Condition evidence
Seller states used condition, possible missing parts, and possible repairs; no functional test is retained.
GSA Auctions · Text · observed Oct 1, 2026, 6:17 AM UTC
Market evidence
Market evidence strength
Medium
Public auditability
Full
Evidence recency
Mixed
Legacy AS50/GP50/ED50 asking evidence and component liquidation evidence are not the same as a realized complete working-system market.
| Model match | Evidence type | Treatment | Count |
|---|---|---|---|
| Exact Model | Asking | Used In Valuation | 1 |
| Source | Evidence | Observed | Price | Relevance and treatment |
|---|---|---|---|---|
| eBay — Dionex AS50 / ED50 / GP50 system Marketplace | Asking Exact Model | October 1, 2026 | $4,990 | Legacy multi-module system, sold as-is after power-source-only check. Used In Valuation |
Sensitivity and robustness
Requires Verification
The scenarios show potentially workable economics, but the stated verification gate must be resolved before bidding responsibly.
Downside case
- Max hammer
- $0
- Gross resale model
- $2,500
At $2,500 resale or with $500 more testing/repair cost, no non-negative hammer satisfies the 30% ROI requirement.
Costs and maximum bid
| Transaction / operating cost | Amount | Basis |
|---|---|---|
| Selling Fees | $525 | LotCaliper assumption: 15% of modeled gross resale. |
| Shipping | $800 | Buyer-managed packing and inbound-logistics reserve; not a carrier quote. |
| Testing Repair Reserve | $700 | LotCaliper functional-verification and repair reserve. |
| Other | $500 | LotCaliper missing-component, configuration, or software reserve. |
| Risk Buffer | $0 | LotCaliper uncertainty and return-risk reserve. |
- Buyer premium
- Not modeled
- Return requirements
- $500 minimum profit · 30% minimum ROI
- Computed bid constraints
Profit floor: $475
ROI floor: $288
Binding: ROI floor
- Snapshot blind/as-is max hammer
- $250
- Modeled result at recorded bid
- No bid recorded
This is a reseller ceiling, not a prediction of the auction's closing price. Any buyer premium or other unquoted acquisition charge must be deducted before bidding.
Configuration, condition, and conservative bid ceiling
A substantial Dionex AS50-family multi-module stack is visibly present, but exact pump, detector, suppressor, columns, software, plumbing, and function remain unresolved. The $3,500 post-verification resale basis supports only a $250 blind hammer ceiling.
Verify the actual configuration, functional state, packing/removal cost, and any buyer premium before raising the stated blind hammer ceiling.
- Do not convert an unknown bid or bidder count to zero.
- Do not credit unverified components, software, accessories, or function.
Recommendation and rationale
Snapshot decision
REVIEWREVIEW: At $2,500 resale or with $500 more testing/repair cost, no non-negative hammer satisfies the 30% ROI requirement.
Confidence
- Identity
- Medium High
- Configuration
- Low
- Condition
- Low
- Market Support
- Medium
- Costs
- Medium Low
Why these confidence levels were assigned
- Identity rationale
- Seller identifies an AS50 system; photos show a multi-module Dionex stack, not confirmed GP50/ED50/EG50 or exact system configuration.
- Material unknowns: Bounded
- Configuration rationale
- Exact pump, detector, eluent generator, suppressor, columns, Chromeleon environment, complete plumbing/cabling, and analytical function
- Material unknowns: Unbounded
- Condition rationale
- Seller states used condition, possible missing parts, and possible repairs; open service bay is visible but is not proof of damage or missing internals.
- Material unknowns: Unbounded
- Market Support rationale
- Legacy AS50/GP50/ED50 asking evidence and component liquidation evidence are not the same as a realized complete working-system market.
- Material unknowns: Bounded
- Costs rationale
- Reserves are not quotes.
- Material unknowns: Unbounded
Market support assesses how well the available evidence supports the resale assumption. Exact third-party marketplace records may be omitted when source-use rights are unclear. Each dimension uses the published methodology rubric; a confidence label measures the strength and boundedness of its evidence, not the likelihood of a profitable outcome.
Risks and unknowns
High · Functionality Unverified
No complete functional workflow is established.
Exact pump, detector, eluent generator, suppressor, columns, Chromeleon environment, complete plumbing/cabling, and analytical function
Sources
View cited public sources
- GSA Auctions item 378572
Official immutable auction-observation provenance.