Contact Us: 01763 262333
MCA Services
Mercury Porosimetry Introduction to Mercury Porosimetry Sample Selection and Handling Sample Analysis Gas Sorption Introduction to Gas Sorption Isotherms Introduction to BET Surface Area Krypton vs Nitrogen BET Surface Area Calculation of BET Surface Area from Gas Adsorption Isotherms Types of Gas Adsorption and Desorption Isotherms Interpretation of Gas Adsorption / Desorption Isotherms Hysteresis in Gas Sorption Isotherms Gas Pycnometry How to Measure Absolute / True Density How to Measure Bulk / Envelope Density The Difference Between Bulk and Absolute Density Chemisorption Introduction to Chemisorption Analysis and Theory Chemisorption Analysis by Static and Dynamic Methods Temperature Programmed Analysis TPx Instrumentation Examples of Temperature Programmed Reduction Changing Analytical Conditions of TPx Experiments
BDDT gas adsorption isotherm classification
Tel: 01763 262333
MCA Services Resources – Discover More At MCA Services we always seek to promote the physical characterisation of materials using a wide range of analytical techniques, that are often used in combination in order to maximise the understanding of the porous nature of a sample material. These analytical techniques provide a wealth of information which we are always happy to interpret with our clients and partners: identifying the most appropriate representation of sample properties in relation to specific applications. Sometimes a greater understanding of the analytical technique is required, including the operation of instrumentation and the theoretical foundations of measurements and data presentation. To assist this, our YouTube channel has a range of presentations aimed not only at existing and potential clients and partners but also those seeking more information of the techniques. A brief summary of the presentations currently available is shown below and we are continuing to add more.
At   MCA   Services   we   are   continually   undertaking   in-house   research   into   the   use   of   our   analytical   techniques   for   the   characterisation   of   materials applicable   to   a   diverse   range   of   sectors   and   applications.   Our   aim   is   to   discover   the   significance   and   relationships   between   porosity   and performance, discovering novel characterisation and data interpretation methods to better understand formulation, manufacture and application.
Pharmaceuticals Porosity   within   solid   dosage   forms   is   known   to   directly   influence dissolution     and     disintegration     rates,     these     being     critical parameters     dictating     efficacy.     Furthermore,     the     physical characteristics   of   powder   blends   and   the   tableting   process   affect the   nature   of   final   tablet   porosity.   We   have   investigated   these links   over   many   years   and   continue   to   research   this   both   in- house   and   with   our   clients   and   partners.   We   are   particularly proud   of   two   Crest   Gold   Awards   obtained   by   our   work   placement students    for    projects    investigating    the    relationships    between porosity and tablet dissolution rate. Extensive   in-house   research   has   also   been   undertaken   regarding gas   adsorption   behaviour   of   magnesium   stearate,   an   extremely common   excipient.   Ultimately   we   show   that   BET   Surface   Area measurement,   a   commonly   applied   QC   tool,   is   problematic   when using    nitrogen    and    that    krypton    adsorption    provides    a    more accurate     and     reliable     method.     The     causes,     effects     and recommendations    are    available    through    three    peer    reviewed publications. DOI: 10.1016/j.ijpharm.2017.08.003 10.1016/j.powtec.2018.10.035 10.1016/j.ijpharm.2019.118522
Battery and Green Technology The   understanding   of   material   porosity   is   of   fundamental   importance   to the   function   of   many   applications   within   the   vast   and   growing   sectors   of renewable   energy,   power   sources   and   green   technology.   At   MCA   Services we   are   working   to   develop   analytical   and   data   interpretation   methods   to assist    in    this    understanding.    Our    aims    are    to    characterise    porosity throughout   the   ranges   of   micro-   meso-   and   macro-pores   with   particular emphasis   on   material   processing   methods   and   ultimate   performance.   For this   we   have   successfully   applied   both   porosimetry   and   chemisorption techniques.   We   are   particularly   proud   of   two   Crest   Gold   Awards   obtained by   our   work   placement   students   for   projects   investigating   gas   storage capacity of micro-porous materials. We   are   currently   investigating   the   application   of   mercury   porosimetry   to the   characterisation   of   the   porosity   of   electrode   systems   and   gas   sorption to the characterisation of materials for gas storage and sequestration. In-house   research   has   been   conducted   into   the   application   of   analytical techniques to hydrogen storage and can be viewed via the links below. Characterisation of micro-porous materials Measurement of heat of adsorption from gas sorption isotherms
Hysteresis in gas adsorption isotherm
MCA Services
01763 262333
MCA Services Resources – Discover More At MCA Services we always seek to promote the physical characterisation of materials using a wide range of analytical techniques, that are often used in combination in order to maximise the understanding of the porous nature of a sample material. These analytical techniques provide a wealth of information which we are always happy to interpret with our clients and partners: identifying the most appropriate representation of sample properties in relation to specific applications. Sometimes a greater understanding of the analytical technique is required, including the operation of instrumentation and the theoretical foundations of measurements and data presentation. To assist this, our YouTube channel has a range of presentations aimed not only at existing and potential clients and partners but also those seeking more information of the techniques. A brief summary of the presentations currently available is shown below and we are continuing to add more.
Mercury Porosimetry Introduction to Mercury Porosimetry Sample Selection and Handling Sample Analysis Gas Sorption Introduction to Gas Sorption Isotherms Introduction to BET Surface Area Krypton vs Nitrogen BET Surface Area Calculation of BET Surface Area Types of Gas Adsorption and Desorption Isotherms Interpretation of Gas Adsorption / Desorption Isotherms Hysteresis in Gas Sorption Isotherms Gas Pycnometry How to Measure Absolute / True Density How to Measure Bulk / Envelope Density The Difference Between Bulk and Absolute Density Chemisorption Introduction to Chemisorption Analysis and Theory Chemisorption Analysis by Static and Dynamic Methods Temperature Programmed Analysis TPx Instrumentation Examples of Temperature Programmed Reduction Changing Analytical Conditions of TPx Experiments
At    MCA    Services    we    are    continually    undertaking    in-house research    into    the    use    of    our    analytical    techniques    for    the characterisation   of   materials   applicable   to   a   diverse   range   of sectors   and   applications.   Our   aim   is   to   discover   the   significance and   relationships   between   porosity   and   performance,   discovering novel   characterisation   and   data   interpretation   methods   to   better understand formulation, manufacture and application.
Pharmaceuticals Porosity   within   solid   dosage   forms   is   known   to   directly   influence dissolution     and     disintegration     rates,     these     being     critical parameters     dictating     efficacy.     Furthermore,     the     physical characteristics   of   powder   blends   and   the   tableting   process   affect the   nature   of   final   tablet   porosity.   We   have   investigated   these links   over   many   years   and   continue   to   research   this   both   in- house   and   with   our   clients   and   partners.   We   are   particularly proud   of   two   Crest   Gold   Awards   obtained   by   our   work   placement students    for    projects    investigating    the    relationships    between porosity and tablet dissolution rate. Extensive   in-house   research   has   also   been   undertaken   regarding gas   adsorption   behaviour   of   magnesium   stearate,   an   extremely common   excipient.   Ultimately   we   show   that   BET   Surface   Area measurement,   a   commonly   applied   QC   tool,   is   problematic   when using    nitrogen    and    that    krypton    adsorption    provides    a    more accurate     and     reliable     method.     The     causes,     effects     and recommendations    are    available    through    three    peer    reviewed publications. DOI: 10.1016/j.ijpharm.2017.08.003 10.1016/j.powtec.2018.10.035 10.1016/j.ijpharm.2019.118522
Battery and Green Technology The    understanding    of    material    porosity    is    of    fundamental importance   to   the   function   of   many   applications   within   the   vast and   growing   sectors   of   renewable   energy,   power   sources   and green   technology.   At   MCA   Services   we   are   working   to   develop analytical    and    data    interpretation    methods    to    assist    in    this understanding.   Our   aims   are   to   characterise   porosity   throughout the    ranges    of    micro-    meso-    and    macro-pores    with    particular emphasis     on     material     processing     methods     and     ultimate performance.     For     this     we     have     successfully     applied     both porosimetry   and   chemisorption   techniques.   We   are   particularly proud   of   two   Crest   Gold   Awards   obtained   by   our   work   placement students   for   projects   investigating   gas   storage   capacity   of   micro- porous materials. We    are    currently    investigating    the    application    of    mercury porosimetry   to   the   characterisation   of   the   porosity   of   electrode systems   and   gas   sorption   to   the   characterisation   of   materials   for gas storage and sequestration. In-house   research   has   been   conducted   into   the   application   of analytical   techniques   to   hydrogen   storage   and   can   be   viewed   via the links below: Characterisation of micro-porous materials Measurement of heat of adsorption from gas sorption isotherms