ISO 19334:2010
Binders for paints and varnishes — Gum rosin — Gas-chromatographic analysis
ISO 19334:2010 specifies a gas-chromatographic method for determining the amounts of certain rosin acids in gum rosin using capillary gas-chromatographic separation of the volatile methyl esters of these acids. It is intended primarily to permit the identification of gum rosin from specific species of pine trees. It is not designed for the quantitative analysis of gum rosin. If such analyses are required, the internal-standard technique specified in ASTM D 5974 should be used.
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Scope
Normative references
Sampling
Apparatus
Gas chromatograph
Column
Reagents and materials
Preparation of methyl esters
Gas-chromatographic analysis
Set-up of gas chromatograph (GC)
Analysis
Calculation
Test report
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Scope
Normative references
Sampling
Apparatus
Gas chromatograph
Column
Reagents and materials
Preparation of methyl esters
Gas-chromatographic analysis
Set-up of gas chromatograph (GC)
Analysis
Calculation
Test report