Learning path · Beginner
Chemicals, oils and polymers testing
Purity and colour of chemicals, the classic oil and fat values, and physical tests on plastics and coatings.
- 9 steps
- For: Chemistry students and QC analysts in chemical and materials plants
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- ReadSpecifications and certificates of analysisHow results become a CoA.
- ReadPurity by GCArea-% normalisation explained.
- ReadColour (APHA / Hazen)A quick indicator of purity and degradation.
- ReadAcid valueFree fatty acids in oils and fats.
- ReadIodine valueHow unsaturated an oil is.
- ReadSaponification valueAverage chain length of the fatty acids.
- ReadMelt flow indexThe workhorse test for plastics grades.
- ReadShore hardnessHardness of rubbers and soft plastics.
- PractiseTest yourself on the melt flow indexerMCQs and viva questions.