Method of examining a particulate substance comprising inorganic particles, comprising determining at least one binder quality associated property

A method of examining a particulate substance comprising inorganic binder precursor particles, wherein the examination comprises determining at least one property associated to a binder quality of the particulate substance comprising:

• providing a sample mixture comprising a portion of the particulate substance and a portion of a liquid substance,
• performing at least one scanning procedure, wherein each scanning procedure comprises acquiring at least one image of an image acquisition area,
• processing the acquired image(s) to obtain at least one processed image of each scanning procedure, and
• determining said at least one binder quality associated property of at least the portion of the particulate substance,
• wherein the performing of the at least one scanning procedure comprises performing a set of scanning procedures comprising at least two scanning procedures, each scanning procedure of the set of scanning procedures comprises illuminating at least said image acquisition area of said sample mixture by a light source, wherein the light source differs in wavelength from a first of the two scanning procedures to another of the at least two scanning procedures, wherein the at least one processed image of each scanning procedure of the set of scanning procedures comprises absorbance data and wherein method further comprises combining the absorbance data for two or more of the processed image to provide a hyperspectral image and wherein the determining of said at least one binder quality associated property of at least the portion of the particulate substance is based on the hyperspectral image.

A method of examining a particulate substance comprising inorganic binder precursor particles, wherein the examination comprises determining at least one property associated to a binder quality of the particulate substance comprising:

• providing a sample mixture comprising a portion of the particulate substance and a portion of a liquid substance,
• performing at least one scanning procedure, wherein each scanning procedure comprises acquiring at least one image of an image acquisition area,
• processing the acquired image(s) to obtain at least one processed image of each scanning procedure, and
• determining said at least one binder quality associated property of at least the portion of the particulate substance,
• wherein the method comprises at least one of
• estimating a compressive strength of a fully cured binder obtained or obtainable from the particulate substance, wherein a dissolution time profile representing the fraction dissolved as a function of time comprises a plateau and wherein the estimation is based on the plateau of the dissolution time profile representing a fraction dissolved as a function of time;
• estimating a curing time at a selected curing condition to reach a selected compressive strength of an inorganic binder obtained or obtainable from the particulate substance;
• and/or
• estimating a compressive strength of a partially cured binder obtained or obtainable from the particulate substance, wherein the dissolution time profile representing the fraction dissolved as a function of time comprises a progression phase, wherein the estimation is based on the progression phase of the dissolution time profile representing the fraction dissolved as a function of time.

A method of examining a particulate substance comprising inorganic binder precursor particles, wherein the examination comprises determining at least one property associated to a binder quality of the particulate substance comprising:

• providing a sample mixture comprising a portion of the particulate substance and a portion of a liquid substance,
• performing at least one scanning procedure, wherein each scanning procedure comprises acquiring at least one image of an image acquisition area,
• processing the acquired image(s) to obtain at least one processed image of each scanning procedure, and
• determining said at least one binder quality associated property of at least the portion of the particulate substance,
• wherein the method comprises performing a plurality of runs comprising at least a first and a second run, wherein each run comprises the steps:
• providing a sample mixture comprising a portion of the particulate substance and a portion of the liquid substance,
• performing at least one scanning procedure, wherein each scanning procedure comprises acquiring at least one light transmission image and/or a light reflection image of an image acquisition area,
• processing the acquired image(s) to obtain at least one processed image of each scanning procedure,
• wherein the said first run and said second run differs in at least one condition, wherein the condition comprises at least one of a temperature and an activation liquid wherein the determination of said at least one binder quality associated property of the particulate substance is based on said at least one processed image of each scanning procedure of the first run and said at least one processed image of each scanning procedure of the second run.

A method of examining a particulate substance comprising inorganic binder precursor particles, wherein the examination comprises determining at least one property associated to a binder quality of the particulate substance comprising:

• providing a sample mixture comprising a portion of the particulate substance and a portion of a liquid substance,
• performing at least one scanning procedure, wherein each scanning procedure comprises acquiring a plurality of light transmission images of an image acquisition area along a scanning path through the sample mixture,
• processing the acquired images to obtain at least one processed image of each scanning procedure, and
• determining said at least one binder quality associated property of at least the portion of the particulate substance,
• wherein the processing the acquired images to obtain at least one processed image of each scanning procedure comprises processing the acquired light transmission images to synthesizing a 3D image of at least a volume of the particulate substance of the sample mixture, and
• wherein the determining said at least one binder quality associated property of at least the portion of the particulate substance is performed based on said at least one synthesized 3D image.