35,594 matches
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următoare, de exemplu: 1. Ebuliometru ASTM D 1120-72 Standard test method for boiling point of engine anti-freezes 2. Metoda distilării (a intervalului de fierbere) ISO/R 918 Test Method for Distillation (Distillation Yield and Distillation Range) BS 4349/68 Method for determination of distillation of petroleum products BS 4591/71 Method for the determination of distillation characteristics DIN 53171 Lösungsmittel für Anstrichstoffe, Bestimmung des Siedeverlaufes NF T 20-608 Distillation: détermination du rendement et de l'intervalle de distillation 3. Analiza termică
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for boiling point of engine anti-freezes 2. Metoda distilării (a intervalului de fierbere) ISO/R 918 Test Method for Distillation (Distillation Yield and Distillation Range) BS 4349/68 Method for determination of distillation of petroleum products BS 4591/71 Method for the determination of distillation characteristics DIN 53171 Lösungsmittel für Anstrichstoffe, Bestimmung des Siedeverlaufes NF T 20-608 Distillation: détermination du rendement et de l'intervalle de distillation 3. Analiza termică diferențială și calorimetria diferențială ASTM E 537-76 Standard method for assessing
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Method for the determination of distillation characteristics DIN 53171 Lösungsmittel für Anstrichstoffe, Bestimmung des Siedeverlaufes NF T 20-608 Distillation: détermination du rendement et de l'intervalle de distillation 3. Analiza termică diferențială și calorimetria diferențială ASTM E 537-76 Standard method for assessing the thermal stability of chemicals by methods of differential thermal analysis ASTM E 473-85 Standard definition of terms relating to thermal analysis ASTM E 472-86 Standard practice for reporting thermoanalytical data DIN 51005 Thermische Analyse: Begriffe A.3 DENSITATEA
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Analiza termică diferențială și calorimetria diferențială ASTM E 537-76 Standard method for assessing the thermal stability of chemicals by methods of differential thermal analysis ASTM E 473-85 Standard definition of terms relating to thermal analysis ASTM E 472-86 Standard practice for reporting thermoanalytical data DIN 51005 Thermische Analyse: Begriffe A.3 DENSITATEA RELATIVĂ 1. METODĂ Majoritatea metodelor descrise se bazează pe liniile directoare OECD privind testele (1). Principiile fundamentale sunt menționate în referința bibliografică (2). 1.1. INTRODUCERE Metodele descrise pentru
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directoare privind testele 109, Decizia Consiliului C(81) 30 final. 2) R. Weissberger ed, Technique of Organic Chemistry, Physical Methods of Organic Chemistry, 3rd ed, Chapter IV, Interscience Publ, New York, 1959, vol. I, Part 1. 3) IUPAC, Recommended reference materials for realization of physico-chemical properties, Pure and applied chemistry, 1976, vol. 48, 508. 4) Wagenbreth, H, Die Tauchkugel zur Bestimmung der Dichte von Flüssigkeiten, Technisches Messen tm, 1979, vol.11, 427-430. 5) Leopold, H, Die digitale Messung von Flüssigkeiten, Elektronik, 1970
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PRIN FLOTABILITATE 1.1. Hidrometrul DIN 12790, ISO 387 Hydrometer; general instructions DIN 12791 Part I: Density hydrometers; construction, adjustment and use Part II: Density hydrometers; standardized sizes, designation Part III: Use and test ISO 649-2 Laboratory glassware: Density hydrometers for general purpose NF T 20-050 Chemical products for industrial use - Determination of density of liquids - Areometric method DIN 12793 Laboratory glassware: range find hydrometers 1.2. Balanța hidrostatică Pentru substanțe solide: ISO 1183 Method A: Methods for determining the density
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387 Hydrometer; general instructions DIN 12791 Part I: Density hydrometers; construction, adjustment and use Part II: Density hydrometers; standardized sizes, designation Part III: Use and test ISO 649-2 Laboratory glassware: Density hydrometers for general purpose NF T 20-050 Chemical products for industrial use - Determination of density of liquids - Areometric method DIN 12793 Laboratory glassware: range find hydrometers 1.2. Balanța hidrostatică Pentru substanțe solide: ISO 1183 Method A: Methods for determining the density and relative density of plastics excluding cellular plastics
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glassware: Density hydrometers for general purpose NF T 20-050 Chemical products for industrial use - Determination of density of liquids - Areometric method DIN 12793 Laboratory glassware: range find hydrometers 1.2. Balanța hidrostatică Pentru substanțe solide: ISO 1183 Method A: Methods for determining the density and relative density of plastics excluding cellular plastics NF T 20-049 Produits chimiques à usage industriel - Détermination de la densité des solides autres que les poudres et les produits alvéolaires - Méthode de la balance hydrostatique ASTM-D-792 Specific gravity and
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Testing of paints, varnishes and similar coating materials; determination of density; immersed body method. 2. METODE PICNOMETRICE 2.1. Pentru substanțe lichide ISO 3507 Pycnometers ISO 758 Liquid chemical products; determination of density at 20 C DIN 12797 Gay-Lussac pycnometer (for non-volatile liquids which are not too viscous) DIN 12798 Lipkin pycnometer (for liquids with a kinematic viscosity of less than 100,10 6m2s 1 at 15 C DIN 12800 Sprengel pycnometer (for liquids as DIN 12798) DIN 12801 Reischauer pycnometer
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body method. 2. METODE PICNOMETRICE 2.1. Pentru substanțe lichide ISO 3507 Pycnometers ISO 758 Liquid chemical products; determination of density at 20 C DIN 12797 Gay-Lussac pycnometer (for non-volatile liquids which are not too viscous) DIN 12798 Lipkin pycnometer (for liquids with a kinematic viscosity of less than 100,10 6m2s 1 at 15 C DIN 12800 Sprengel pycnometer (for liquids as DIN 12798) DIN 12801 Reischauer pycnometer (for liquids with a kinematic viscosity of less than 100,10 6
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density at 20 C DIN 12797 Gay-Lussac pycnometer (for non-volatile liquids which are not too viscous) DIN 12798 Lipkin pycnometer (for liquids with a kinematic viscosity of less than 100,10 6m2s 1 at 15 C DIN 12800 Sprengel pycnometer (for liquids as DIN 12798) DIN 12801 Reischauer pycnometer (for liquids with a kinematic viscosity of less than 100,10 6 m2 s 1 at 20 C, applicable in particular also to hydrocarbons and aqueous solutions as well as to liquids
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non-volatile liquids which are not too viscous) DIN 12798 Lipkin pycnometer (for liquids with a kinematic viscosity of less than 100,10 6m2s 1 at 15 C DIN 12800 Sprengel pycnometer (for liquids as DIN 12798) DIN 12801 Reischauer pycnometer (for liquids with a kinematic viscosity of less than 100,10 6 m2 s 1 at 20 C, applicable in particular also to hydrocarbons and aqueous solutions as well as to liquids with higher vapour pressure, approximately 1 bar at 90
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of less than 100,10 6 m2 s 1 at 20 C, applicable in particular also to hydrocarbons and aqueous solutions as well as to liquids with higher vapour pressure, approximately 1 bar at 90 C) DIN 12806 Hubbard pycnometer (for viscous liquids of all types which do not have a too high vapour pressure, in particular also for paints, varnishes and bitumen) DIN 12807 Bingham pycnometer (for liquids, as in DIN 12801) DIN 12808 Jaulmes pycnometer (in particular for ethanol-water
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and aqueous solutions as well as to liquids with higher vapour pressure, approximately 1 bar at 90 C) DIN 12806 Hubbard pycnometer (for viscous liquids of all types which do not have a too high vapour pressure, in particular also for paints, varnishes and bitumen) DIN 12807 Bingham pycnometer (for liquids, as in DIN 12801) DIN 12808 Jaulmes pycnometer (in particular for ethanol-water mixture) DIN 12809 Pycnometer with ground-in thermometer and capillary side tube (for liquids which are not too viscous
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higher vapour pressure, approximately 1 bar at 90 C) DIN 12806 Hubbard pycnometer (for viscous liquids of all types which do not have a too high vapour pressure, in particular also for paints, varnishes and bitumen) DIN 12807 Bingham pycnometer (for liquids, as in DIN 12801) DIN 12808 Jaulmes pycnometer (in particular for ethanol-water mixture) DIN 12809 Pycnometer with ground-in thermometer and capillary side tube (for liquids which are not too viscous) DIN 53217 Testing of paints, varnishes and similar products
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pycnometer (for viscous liquids of all types which do not have a too high vapour pressure, in particular also for paints, varnishes and bitumen) DIN 12807 Bingham pycnometer (for liquids, as in DIN 12801) DIN 12808 Jaulmes pycnometer (in particular for ethanol-water mixture) DIN 12809 Pycnometer with ground-in thermometer and capillary side tube (for liquids which are not too viscous) DIN 53217 Testing of paints, varnishes and similar products; determination of density by pycnometer DIN 51757 Point 7: Testing of mineral
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high vapour pressure, in particular also for paints, varnishes and bitumen) DIN 12807 Bingham pycnometer (for liquids, as in DIN 12801) DIN 12808 Jaulmes pycnometer (in particular for ethanol-water mixture) DIN 12809 Pycnometer with ground-in thermometer and capillary side tube (for liquids which are not too viscous) DIN 53217 Testing of paints, varnishes and similar products; determination of density by pycnometer DIN 51757 Point 7: Testing of mineral oils and related materials; determination of density ASTM D 297 Section 15: Rubber
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products; determination of density by pycnometer DIN 51757 Point 7: Testing of mineral oils and related materials; determination of density ASTM D 297 Section 15: Rubber products - chemical analysis ASTM D 2111 (Method C: Halogenated organic compounds) BS 4699 Method for determination of specific gravity and density of petroleum products (graduated bicapillary pycnometer method) BS 5903 Method for determination of relative density and density of petroleum products by the capillary-stoppered pycnometer method NF T 20-053 Produits chimiques à usage industriel - Détermination
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determination of density ASTM D 297 Section 15: Rubber products - chemical analysis ASTM D 2111 (Method C: Halogenated organic compounds) BS 4699 Method for determination of specific gravity and density of petroleum products (graduated bicapillary pycnometer method) BS 5903 Method for determination of relative density and density of petroleum products by the capillary-stoppered pycnometer method NF T 20-053 Produits chimiques à usage industriel - Détermination de la densité des solides en poudre et des liquides - Méthode pycnométrique 2.2. Pentru substanțe solide ISO
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and density of petroleum products by the capillary-stoppered pycnometer method NF T 20-053 Produits chimiques à usage industriel - Détermination de la densité des solides en poudre et des liquides - Méthode pycnométrique 2.2. Pentru substanțe solide ISO 1183 Method B: Methods for determining the density and relative density of plastics excluding cellular plastics NF T 20-053 Produits chimiques à usage industriel - Détermination de la densité des solides en poudre et des liquides - Méthode pycnométrique DIN 19683 Determination of the density of soils 3
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Physical Methods of Organic Chemistry, 3rd ed. Chapter IX, Interscience Publ, New York, 1959, Vol. I, Part I. (4) Knudsen, M. Ann. Phys. Lpz, 1909, vol. 29, 1979; 1911, vol. 34, 593. (5) NF T 20-048 AFNOR (Sept. 85). Chemical products for industrial use - Determination of vapour pressure of solids and liquids within range from 10 1 to 105 Pa - Static method. (6) NF T 20-047 AFNOR (Sept. 85). Chemical products for industrial use - Determination of vapour pressure of solids and liquids
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593. (5) NF T 20-048 AFNOR (Sept. 85). Chemical products for industrial use - Determination of vapour pressure of solids and liquids within range from 10 1 to 105 Pa - Static method. (6) NF T 20-047 AFNOR (Sept. 85). Chemical products for industrial use - Determination of vapour pressure of solids and liquids within range from 10 3 to 1 Pa - Vapour pressure balance method. (7) ASTM D 2879-86, Standard test method for vapour pressure- temperature relationship and initial decomposition temperature of liquids
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method. (6) NF T 20-047 AFNOR (Sept. 85). Chemical products for industrial use - Determination of vapour pressure of solids and liquids within range from 10 3 to 1 Pa - Vapour pressure balance method. (7) ASTM D 2879-86, Standard test method for vapour pressure- temperature relationship and initial decomposition temperature of liquids by izoteniscope. (8) G. Messer, P. Röhl, G. Grosse and W. Jitschin. J. Vac. Sci. Technol.(A), 1987, vol. 5 (4), 2440. (9) Ambrose, D.; Lawrenson, I.J.; Sprake, C.H.S. J.
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pentru interpretarea rezultatelor, în special referitoare la impurități și starea fizică a substanțelor. 4. REFERINȚE BIBLIOGRAFICE (1) OECD, Paris, 1981, Linia directoare privind testele 105, Decizia Consiliului C(81) 30 final. (2) NF T 20-045 (AFNOR) (Sept. 85). Chemical products for industrial use - Determination of water solubility of solids and liquids with low solubility - Column elution method (3) NF T 20-046 (AFNOR) (Sept. 85). Chemical products for industrial use - Determination of water solubility of solids and liquids with high solubility - Flask
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Consiliului C(81) 30 final. (2) NF T 20-045 (AFNOR) (Sept. 85). Chemical products for industrial use - Determination of water solubility of solids and liquids with low solubility - Column elution method (3) NF T 20-046 (AFNOR) (Sept. 85). Chemical products for industrial use - Determination of water solubility of solids and liquids with high solubility - Flask method Apendice Figura 1 METODA ELUȚIEI PE COLOANĂ CU POMPĂ DE RECIRCULARE Figura 2 MICROCOLOANĂ TIP (Toate dimensiunile în milimetri) Figura 3 MICROCOLOANĂ TIP (Toate dimensiunile
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