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<p>This document specifies a method for the determination of free and released formaldehyde in leathers. This method, based on colorimetric analysis, is not intended to be used for a precise quantification of formaldehyde.</p>
<p>The formaldehyde content is taken to be the quantity of free-formaldehyde and formaldehyde extracted through hydrolysis contained in a water extract from the leather under standard conditions.</p>
<p>This process is not absolutely selective for formaldehyde. Other compounds such as extracted dyes could interfere at 412 nm.</p>
Reģistrācijas numurs (WIID)
73709
Darbības sfēra
<p>This document specifies a method for the determination of free and released formaldehyde in leathers. This method, based on colorimetric analysis, is not intended to be used for a precise quantification of formaldehyde.</p>
<p>The formaldehyde content is taken to be the quantity of free-formaldehyde and formaldehyde extracted through hydrolysis contained in a water extract from the leather under standard conditions.</p>
<p>This process is not absolutely selective for formaldehyde. Other compounds such as extracted dyes could interfere at 412 nm.</p>
