HA and β-TCP: Choosing a Phase Balance
Design a calcium phosphate comparison that separates phase chemistry from particle size, porosity and processing history.
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Technical Resources
Practical guidance for material selection, formulation development, troubleshooting and analytical interpretation.
Application technical guides
Selected Development Guides
Start with twelve guides covering common materials development questions. Read online or download the complete PDF.
α-TCP Cement: Establishing a Baseline
Build a reproducible starting formulation before changing the cement liquid, filler or particle distribution.
Read technical guideTTCP Cement: Getting the Powder Ratio Right
Convert a chemical molar ratio into weighing quantities, and keep DCPA and DCPD formulations distinct.
Read technical guideHA in PLA: Selecting a Filler Loading
Find a loading that survives compounding and printing, rather than choosing the highest nominal ceramic percentage.
Read technical guide45S5 in PCL: Mass Fraction and Interface
Translate a glass loading into occupied volume and design a comparison that exposes interface and processing effects.
Read technical guideMicrospheres: Settling and Suspension Design
Use a first-order settling calculation to select the variables worth testing in a particulate suspension.
Read technical guidePorous CPC: Balancing Porogen and Binder
Account for the cement removed by a porogen before comparing pore formation and mechanical retention.
Read technical guideCPC Extrusion: High Force or Filter Pressing?
Use force, delivered mass and delivered composition to identify why a paste will not pass through its delivery system.
Read technical guide45S5 Immersion: Explain a pH Spike
Interpret early solution changes using glass dose, surface exposure and medium buffering rather than the glass name alone.
Read technical guideBET and D50: Read Surface Area Correctly
Use surface area alongside particle size to distinguish smooth particles from porous or aggregated structures.
Read technical guideXRD: Quantify Phases and the Missing Fraction
Read a Rietveld phase percentage with its normalization basis, detection capability and possible amorphous content.
Read technical guideICP-MS: Convert the Result Back to Powder
Translate solution concentration and quantification limits into a material result with the correct mass and dilution basis.
Read technical guideComplete collection / 27 guides
Browse by Development Task
Material Selection and Formulation
HA and β-TCP: Choosing a Phase Balance
Design a calcium phosphate comparison that separates phase chemistry from particle size, porosity and processing history.
α-TCP Cement: Establishing a Baseline
Build a reproducible starting formulation before changing the cement liquid, filler or particle distribution.
TTCP Cement: Getting the Powder Ratio Right
Convert a chemical molar ratio into weighing quantities, and keep DCPA and DCPD formulations distinct.
Calcium Silicate Cement: Water and Hydration
Compare calcium silicate formulations on a consistent reactive-solids basis and track the development of the binder.
HA in PLA: Selecting a Filler Loading
Find a loading that survives compounding and printing, rather than choosing the highest nominal ceramic percentage.
45S5 in PCL: Mass Fraction and Interface
Translate a glass loading into occupied volume and design a comparison that exposes interface and processing effects.
Microspheres: Settling and Suspension Design
Use a first-order settling calculation to select the variables worth testing in a particulate suspension.
Porous CPC: Balancing Porogen and Binder
Account for the cement removed by a porogen before comparing pore formation and mechanical retention.
BCP Sintering: Preserve the Final Phase Ratio
Treat the cooling program as part of the phase-control process, rather than specifying only the peak temperature.
OCP: Track Conversion Without Mislabeling It
Preserve the identity of octacalcium phosphate during handling and distinguish phase conversion from material removal.
Mg and Sr: Define the Substitution Basis
Distinguish an ion-substituted calcium phosphate from a physical mixture containing a magnesium or strontium additive.
Glass Scaffold Coatings: Control Pickup and Pores
Develop a polymer coating that changes the scaffold surface without obscuring the architecture needed by the application.
Troubleshooting and Process Parameters
CPC Extrusion: High Force or Filter Pressing?
Use force, delivered mass and delivered composition to identify why a paste will not pass through its delivery system.
Setting Time: Diagnose Fast and Slow Batches
Separate a true change in cement reaction from changes in the mixing clock, temperature or test procedure.
Cement Strength Loss: Find the Missing Link
Trace a lower mechanical result through geometry, conditioning, porosity and reaction rather than immediately changing the formulation.
45S5 Immersion: Explain a pH Spike
Interpret early solution changes using glass dose, surface exposure and medium buffering rather than the glass name alone.
Particle Size: Why Two Reports Disagree
Resolve a D50 mismatch by checking distribution basis, dispersion and sampling before assuming the powder changed.
BET and D50: Read Surface Area Correctly
Use surface area alongside particle size to distinguish smooth particles from porous or aggregated structures.
Radiopacifiers: Separate Dilution and Chemistry
Evaluate an additive as a formulation variable, including its effect on binder development and the imaging method.
Immersion Tests: Close the Mass Balance
Explain why mass loss, solution ions and surface deposits can appear to tell different stories.
Testing and Quality
XRD: Quantify Phases and the Missing Fraction
Read a Rietveld phase percentage with its normalization basis, detection capability and possible amorphous content.
ICP-MS: Convert the Result Back to Powder
Translate solution concentration and quantification limits into a material result with the correct mass and dilution basis.
Batch Consistency: Beyond Passing COAs
Use variation and process position to distinguish a stable manufacturing window from a few individually passing lots.
A First DOE: Liquid Ratio and Filler Content
Use a small factorial experiment to find whether two formulation variables reinforce or oppose each other.
Purchasing and Qualification
Preparing an RFQ for HA βTCP and 45S5
A material-specific enquiry checklist for hydroxyapatite, beta-tricalcium phosphate and 45S5 buyers, with a clear specification and quotation request.
Matching a COA to Supporting Reports
Reconcile a hydroxyapatite, beta-TCP or 45S5 COA with supporting laboratory reports before a sample or lot acceptance decision.
Taking a Material Sample to a Pilot Trial
Plan a traceable HA, beta-TCP or 45S5 sample evaluation and decide what evidence is needed before a pilot material order.