| Controlled storageTemperature and humidity stability chambers | Maintain approved development conditions and record excursions for defined stability questions.Development storage is not represented as an ICH registration programme unless the applicable protocol, quality system and authority are established. | Condition linked observations that can inform formulation, packaging, storage and later formal study design. | - Resilient power
- Heat rejection
- Independent monitoring
- Alarm escalation
- Contingency storage
| - Mapped and calibrated operating range
- Approved protocol
- Sample control
- Excursion and recovery process
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| Controlled light exposurePhotostability chamber | Explore light sensitivity under a defined method where the product and packaging question justify it.An exploratory result does not establish shelf life, market pack suitability or regulatory acceptance. | A development view of light risk and a decision on protection, packaging or further formal study. | - Controlled light sources
- Temperature management
- Calibrated measurement
- Sample and operator protection
| - Defined exposure method
- Reference or control strategy
- Safety assessment
- Reviewable raw data
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| Moisture interactionDynamic vapour sorption system | Measure mass change across controlled humidity conditions for a defined material or packaging question.The result is method and sample specific; it does not alone predict product shelf life. | A moisture sensitivity profile and a decision on handling, formulation, storage or packaging work. | - Stable temperature
- Dry gas and humidity generation
- Low vibration location
- Specialist calibration
| - Representative sample
- Scientifically justified humidity programme
- Competent interpretation
- Repeated demand
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| Material characterisationThermal analysis systems | Explore transitions, thermal behaviour or compatibility where they inform a formulation or packaging decision.A thermal event requires qualified interpretation and should not be presented as definitive material identity on its own. | A material risk hypothesis and a route to corroborating analysis or specialist study. | - Stable power
- Controlled gases where required
- Safe sample preparation
- Technique specific maintenance
| - Defined decision question
- Appropriate controls
- Qualified operator
- Corroboration plan
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| Packaging developmentPackage integrity and seal evaluation systems | Compare candidate closure or seal performance using a justified deterministic or probabilistic method.Development testing does not certify container closure integrity or commercial pack compliance. | A packaging development comparison and identified risks for supplier or formal validation work. | - Conditioned component storage
- Technique specific utilities
- Traceable reference defects where applicable
- Safe sample disposal
| - Pack configuration
- Defect and acceptance model
- Method suitability
- Supplier and receiving market requirements
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