| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 5<\/td>\n | Paints and varnishes\ufffd\u2014 Determination of volatile organic compound (VOC) content\ufffd\u2014 <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | Contents Page <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | Paints and varnishes\ufffd\u2014 Determination of volatile organic compound (VOC) content\ufffd\u2014 1\ufffd\ufffd\ufffd Scope 2\ufffd\ufffd\ufffd Normative references <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 3\ufffd\ufffd\ufffd Terms and definitions 4\ufffd\ufffd\ufffd Principle 5\ufffd\ufffd\ufffd Required supplementary information <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 6\ufffd\ufffd\ufffd Apparatus 6.1\ufffd\ufffd\ufffd Gas chromatograph 6.2\ufffd\ufffd\ufffd Sample injection system 6.2.1\ufffd\ufffd\ufffd General 6.2.2\ufffd\ufffd\ufffd Hot-injection system with sample splitter (preferred system) 6.2.3\ufffd\ufffd\ufffd Cold-injection system with sample splitter 6.2.4\ufffd\ufffd\ufffd Selection of sample injection system 6.3\ufffd\ufffd\ufffd Oven <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 6.4\ufffd\ufffd\ufffd Detector 6.4.1\ufffd\ufffd\ufffd Flame ionization detector (FID) 6.4.2\ufffd\ufffd\ufffd Suitably calibrated and tuned mass spectrometer or other mass-selective detector 6.4.3\ufffd\ufffd\ufffd Suitably calibrated Fourier-transform infrared spectrometer 6.5\ufffd\ufffd\ufffd Capillary column 6.6\ufffd\ufffd\ufffd Qualitative-analysis equipment 6.7\ufffd\ufffd\ufffd Injection syringe 6.8\ufffd\ufffd\ufffd Chart recorder 6.9\ufffd\ufffd\ufffd Integrator 6.10\ufffd\ufffd\ufffd Sample vials 6.11\ufffd\ufffd\ufffd Gas filters 6.12\ufffd\ufffd\ufffd Gases 6.12.1\ufffd\ufffd\ufffd Carrier gas <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 6.12.2\ufffd\ufffd\ufffd Detector gases 6.12.3\ufffd\ufffd\ufffd Auxiliary gas 7\ufffd\ufffd\ufffd Reagents 7.1\ufffd\ufffd\ufffd Internal standard 7.2\ufffd\ufffd\ufffd Calibration compounds 7.3\ufffd\ufffd\ufffd Dilution solvent 8\ufffd\ufffd\ufffd Sampling 9\ufffd\ufffd\ufffd Procedure 9.1\ufffd\ufffd\ufffd Density 9.2\ufffd\ufffd\ufffd Water content <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 9.3\ufffd\ufffd\ufffd Gas-chromatographic conditions 9.3.1\ufffd\ufffd\ufffd The gas-chromatographic conditions used will depend on the product to be analysed and sh… 9.3.2\ufffd\ufffd\ufffd The injection volume and the split ratio shall be coordinated so as not to exceed the ca… 9.4\ufffd\ufffd\ufffd Qualitative analysis of product 9.5\ufffd\ufffd\ufffd Calibration 9.5.1\ufffd\ufffd\ufffd Where suitable compounds are commercially available, the response factor shall be determ… 9.5.1.1\ufffd\ufffd\ufffd Weigh, into a sample vial ( 9.5.1.2\ufffd\ufffd\ufffd Optimize the instrumental parameters as indicated in 9.5.1.3\ufffd\ufffd\ufffd Again inject a suitable amount of the calibration mixture into the gas chromatograph. … 9.5.2\ufffd\ufffd\ufffd Where unidentified peaks are found or where suitable compounds are not commercially avai… 9.6\ufffd\ufffd\ufffd Sample preparation <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 9.7\ufffd\ufffd\ufffd Quantitative determination of compound content 9.7.1\ufffd\ufffd\ufffd Set the instrumental parameters as optimized during calibration. 9.7.2\ufffd\ufffd\ufffd Inject 10\ufffd\ufffd\ufffd Calculation 10.1\ufffd\ufffd\ufffd General 10.2\ufffd\ufffd\ufffd Method 1: VOC content, as a percentage by mass, of the product \u201cready for use\u201d <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 10.3\ufffd\ufffd\ufffd Method 2: VOC content, in grams per litre, of the product \u201cready for use\u201d 10.4\ufffd\ufffd\ufffd Method 3: VOC content, in grams per litre, of the product \u201cready for use\u201d less water 10.5\ufffd\ufffd\ufffd Method 4: VOC content, in grams per litre, of the product \u201cready for use\u201d less water and … <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 11\ufffd\ufffd\ufffd Expression of results 12\ufffd\ufffd\ufffd Precision 12.1\ufffd\ufffd\ufffd General 12.2\ufffd\ufffd\ufffd Repeatability limit 12.3\ufffd\ufffd\ufffd Reproducibility limit <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 13\ufffd\ufffd\ufffd Test report <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Required supplementary information <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | Examples of gas-chromatographic conditions B.1\ufffd\ufffd\ufffd Hot injection of a water-thinnable product B.2\ufffd\ufffd\ufffd Cold injection of a water-thinnable product <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | B.3\ufffd\ufffd\ufffd Hot injection of a product containing no water B.4\ufffd\ufffd\ufffd Cold injection of a product containing no water <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Paints and varnishes. Determination of volatile organic compound (VOC) content – Gas chromatographic method<\/b><\/p>\n |