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Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
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This test method is for the determination of the pH of granular superabsorbent polyacrylates.

NOTE This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
Se merSe mindre
 

This test method determines the sum of residual monomeric sodium acrylate and acrylic acid present in polyacrylate (PA) superabsorbent powders as acrylic acid.

NOTE This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
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This test method specifies a method for measuring particle size distributions up to 850 μm of cross-linked polyacrylate superabsorbent powders. It applies only to measurements made where sieve shaking is used for the separation. Tapping equipment is not expected to deliver the same results.

In general, this method is expected to be applicable to powdered polymeric superabsorbent materials that are free-flowing under the specified test conditions.

NOTE - This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
Se merSe mindre
 

This test method covers the evaluation of mass loss upon heating for cross-linked polyacrylate superabsorbent powders.

In general, this method is expected to be applicable to powdered polymeric superabsorbent materials that are free-flowing under the specified test conditions. Substances other than water that are volatile in this temperature range will interfere.

NOTE - This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
Se merSe mindre
 

This test method determines the free swell capacity of polyacrylate superabsorbent powders in saline solution.

NOTE - This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
Se merSe mindre
 

This test method covers the determination of the fluid retention capacity of polyacrylate superabsorbent powders in saline solution, following centrifugation.

NOTE - This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
Se merSe mindre
 

This test method determines the capacity of polyacrylate superabsorbent powders to absorb saline solution under a specified enclosing pressure.

NOTE - This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
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This test method measures the absorption capacity of polyacrylate superabsorbent powder, where permeability is a significant controlling factor under the conditions of the test.

NOTE - This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
Se merSe mindre
 

This test method is used to determine the mass flow rate and bulk density (or apparent density) of polyacrylate superabsorbent powders.

NOTE - This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.

Kommittébeteckning: SIS/TK 344 (Hjälpmedel)
Källa: ISO
Svarsdatum: den 1 nov 2019
Se merSe mindre
 

This test method is used to determine the mass fraction of soluble polymers present in crosslinked polyacrylate superabsorbent powders that may be extracted into saline solution.

NOTE - This standard does not claim to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. It is expected that the person performing this test has been fully trained in all aspects of this procedure.