Amine value and equivalent weight

The Epoxide Equivalent Weight (EEW) of DGEBA was 170 g/equivalent, obtained directly from the manufacturer mentioned above. The curing agent was added such that the ratio between the EEW and the Amine Hydrogen Equivalent Weight (AHEW) was 1:1. The Amine Hydrogen Equivalent Weight was calculated by the following equation. 4.2 Determining Epoxy Equivalent or Amine Value: 4.2.1 Analytically weigh 1.0 ± 0.001 g of the 75% solids epoxy, 0.4 ± 0.001 g 100% solids epoxy, or 0.4 ± 0.001 g of the 70% solids polyamide sample into a 100-mL (3.4-fl. oz.) beaker (0.75 or 0.35 g for a 100% solids sample).

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Sep 07, 2012 · Typical Properties OF PHENALKAMINES RA 951 RA 950 (K 541) (K 540) Appearance Reddish brown Reddish brown viscous liquid liquid Color (Gardner) 17 17 Density (lbs/gal) 8.23 8.27 Solids content (1 hr @ 1050C) >95% >96% Viscosity @ 250C (cPs) 35000 2500 Amine value (mg KOH/g) 320 520 Active hydrogen equivalent weight 130 81 Flash Point 630C 1070C ...

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Syn. Equivalent weight, gram-equivalent. Gram-equivalent weights for various cases: 1. Complex ion. The gram-equivalent weight of a complex ion is equal to the formula weight of the ion divided by its valence. Examples. The gram-equivalent weight of the OH -ion is 16.000 + 1.008 = 17.008 g and of the Ca ++ ion is 40.08/2 = 20.04 g. 2. Acid. For this reason we sometimes say that '''equivalent sets have the same ''cardinality . * 2006 , Joseph Breuer, Introduction to the Theory of Sets , page 41: The equivalence theorem: If both M is equivalent''' to a subset N 1 of N and N is '''equivalent''' to a subset M 1 of M, then the sets M and N are '''equivalent to each other.


May 18, 2020 · These values are obtained by dividing the atomic mass from the most common valence value; e.g. equivalent weight with regard to oxygen is obtained by 16gmol-1 /2=8.0g. However, for acid-base reactions, the equivalent weight refers to the mass that reacts with a mole of hydrogen ions. The unit of equivalent weight is the unit of mass. Thursday 27 February 2003 1:00:00 am. How can I convert the amine value of an epoxy-hardener into the equivalent weight? « Synonyms for equivalent weights in Free Thesaurus. Antonyms for equivalent weights. 47 synonyms for equivalent: equal, counterpart, correspondent, twin, peer ...

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