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  1. Home
  2. AATCC 103-2004

AATCC 103-2004 Historical

1217695

Bacterial Alpha-Amylase Enzymes Used in Desizing, Assay Of

standard by American Association of Textile Chemists and Colorists , 01/01/2004

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Full Description

1. Purpose and Scope

1.1 This test method is intended for the assay of bacterial amylases employed commercially for textile desizing. It is not applicable to products which contain beta-amylase in addition to alpha-amylase.

2. Principle

2.1 Dextrogenic amylase activity is measured in terms of digestion time required to produce a color change denoting a definite stage of dextrinization of the starch substrate. The amylase content of the sample, expressed in Bacterial Amylase Units (BAU), is readily calculated from the dextrinizing time.

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Document History

  1. AATCC 103-2019

    January 2019
    Bacterial Alpha-Amylase Enzymes Used in Desizing, Assay Of

    • Most Recent  Most Recent
  2. AATCC 103-2013

    January 2013
    Bacterial Alpha-Amylase Enzymes Used in Desizing, Assay Of (Reaffirmed - 2013)

    • Historical Version
  3. AATCC 103-2009

    January 2010
    Bacterial Alpha-Amylase Enzymes Used in Desizing, Assay Of

    • Historical Version
  4. AATCC 103-2004

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    January 2004
    Bacterial Alpha-Amylase Enzymes Used in Desizing, Assay Of

    • Historical Version

Browse related products from American Association of Textile Chemists and Colorists

  • American Association of Textile Chemists and Colorists > Biological Properties

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Price: $62.00
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Published:

01/01/2004

Number of Pages:

3

File Size:

1 file , 95 KB

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