GB/T 13377-2010 English PDFUS$399.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 13377-2010: Crude petroleum and liquid or solid petroleum products -- Determination of density or relative density -- Capillary stoppered pycnometer and graduated bicapillary pycnometer methods Status: Valid GB/T 13377: Historical versions
Basic dataStandard ID: GB/T 13377-2010 (GB/T13377-2010)Description (Translated English): Crude petroleum and liquid or solid petroleum products -- Determination of density or relative density -- Capillary stoppered pycnometer and graduated bicapillary pycnometer methods Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: E34 Classification of International Standard: 75.100 Word Count Estimation: 17,145 Date of Issue: 2011-01-10 Date of Implementation: 2011-05-01 Older Standard (superseded by this standard): GB/T 13377-1992; GB/T 2540-1981 Quoted Standard: GB/T 514; GB/T 1885; GB/T 8017; GB/T 17291; ISO 3507-1999; ISO 5024-1999 Adopted Standard: ISO 3838-2004, MOD Regulation (derived from): National Standard Approval Announcement 2011 No.1 (Total No.166) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the method for measuring the density and relative density of the liquid state of the crude oil and petroleum products. This standard capillary stopper pycnometer method for the side solid and coal tar products, including road asphalt, creosote and tar or asphalt with a mixture of petroleum products shall not apply to the determination in accordance with GB/T 8017 Reid vapor measured density and Relative Density 50 kPa or lower than the initial boiling point of 40��C high volatility than the liquid pressure. GB/T 13377-2010: Crude petroleum and liquid or solid petroleum products -- Determination of density or relative density -- Capillary stoppered pycnometer and graduated bicapillary pycnometer methods---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Crude petroleum and liquid or solid petroleum products.Determination of density or relative density.Capillary stoppered pyknometer and graduated bicapillary pyknometer methods ICS 75.100 E34 National Standards of People's Republic of China Replacing GB/T 2540-1981, GB/T 13377-1992 Crude petroleum and liquid or solid petroleum products or density Determination of relative density - Capillary - stoppered pyknometer and Graduated bicapillary Pyknometer (ISO 3838.2004, MOD) Issued on. 2011-01-10 2011-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis revised standard adopts the International Standard ISO 3838.2004 "Crude petroleum and liquid or solid petroleum product density or relative density measurement Given capillary stoppered pyknometer and graduated bicapillary Pyknometer "(in English). This standard is based on ISO 3838.2004 re-drafted. Suitable for China's national conditions, the use of this standard in the ISO 3838.2004 when modified. This standard and ISO 3838.2004 main Technical differences and the following reasons. Love --- on normative references, this standard has been adjusted technical differences, in order to adapt to China's technical conditions, adjustment Focus is reflected in the status of Chapter 2, "Normative references", the specific adjustments are as follows. ● with the GB/T 514 instead of ISO 653 (see 5.4), regulation in GB/T 514 in the requirement to use the thermometer with ISO 653 Given no technical differences; ● with the GB/T 8017 instead of ISO 3007 (see 1.2); ● non-equivalent to international standards of GB/T 17291 replaces ISO 5024 (see 10.2.1). --- Removed 15 ℃ 60 ℉ and related content (see chapter 1, Chapter 2, Section 6, Chapter 7 and Chapter 5, Section 10), due to our Standard temperature of 20 deg.] C; --- Increasing the proportion of bottles of water on the plug capillary measuring frequency 7.2.6 related content, in order to avoid controversy, raise the standard of strict I have the honor of. This standard replaces GB/T 2540-1981 "Petroleum products - Determination of density (pycnometer method)" and GB/T 13377-1992 "oil and Liquid or solid petroleum products - Determination of density or relative density - Capillary stoppered pyknometer and graduated bicapillary pycnometer method. " This standard compared with GB/T 13377-1992 main changes are as follows. --- 5.1.1 adds "Pycnometer shall meet the requirements of ISO 3507."; --- 5.1.4 adds content, clear in FIG. 1 b) and c) does not apply to type pycnometer measuring temperature far below the temperature of the Laboratory Happening; --- In 5.2, adds support for dual-band scale capillary pycnometer to comply with the ISO 3507 requirements in Putin pycnometer; --- 5.4, the clear water bath thermometer to comply with GB/T 514 in GB -65, GB -66, GB -67 specifications in Appendix B "rod thermometer Size" removed; --- The original table in Appendix A to the body A.2 Table 1; --- Delete the original 5.7 and 5.8 of the laboratory vacuum pumps and vacuum dryers content; --- In Chapter 6 adds "Whenever the pycnometer to be calibrated and then dried under vacuum to." Note as well as content and warnings; --- Note ①②④ original content standards changed after 7.2 standard text, remove Note ③ content; --- 7.2.1 in the original standard "was cooled to about 18 ℃ distilled water" to "cool to slightly below 20 ℃ in distilled water"; --- Remove 7.3 in relation to the pretreatment of the sample; --- Revised 7.5 pycnometer recalibrate time; --- Increased in 9.2 "If the temperature is below the temperature of the laboratory test, immersion 20min usually suffice" content; --- Increasing the thermal expansion of about 10.3 pycnometer amendments related content; --- The density of water table to table 1990, the density of water under the International Temperature Scale of 1990. This standard compared with GB/T 2540-1981 The main changes are as follows. --- Increase the content of crude method of density determination (see Chapter 1, Section 3, Chapter 5, Chapter 6, Chapter 7, Chapter 8, Chapter 9, Chapter 10 and Chapter 11); --- Increased crude oil and liquid or solid petroleum products - Determination of relative density of relevant content (see Chapter 1, Section 3, Chapter 7, , Chapter 10, Chapter 11 and Chapter 12); --- 5.3 in the water bath temperature control requirements from the original desired temperature to within 0.1 ℃ desired temperature of 0.05 ℃ Or less; --- Chapter in precision, increasing the reproducibility of the data. This standard by the National Standardization Technical Committee on Petroleum Products and Lubricants made. This standard by the National Petroleum products Petroleum measurement of static and light hydrocarbons and lubricants Technical Committee of Standardization Technical Committee centralized. This standard was drafted. China Petroleum & Chemical Corporation Research Institute of Petroleum. The main drafters of this standard. Thin red, Cao Yi-hua. This standard replaces the standards previously issued as follows. --- GB/T 2540-1981; --- GB/T 13377-1992. Crude petroleum and liquid or solid petroleum products or density Determination of relative density - Capillary - stoppered pyknometer and Graduated bicapillary Pyknometer1 Scope1.1 standard specifies the method for determination of density and relative density of the liquid state of crude oil and petroleum products. 1.2 This standard capillary stoppered pyknometer method for the determination of solid and coal tar products, including road asphalt, creosote and tar or asphalt With a mixture of petroleum products, it does not apply to the determination according to GB/T 8017 Reid vapor pressure measured more than 50kPa (0.5bar) or initial boiling Dot density and relative density of less than 40 ℃ highly volatile liquid. 1.3 density graduated bicapillary pycnometer method applies in addition to high viscosity products all products and accurate determination of the relative density, and Especially suitable for small amounts of sample tests. This method is limited to the determination according to GB/T 8017 measured Reid vapor pressure of not more than 130kPa (1.3 bar) at the test temperature and kinematic viscosity is lower than 50mm2/s liquid.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 514 Petroleum products test glass liquid thermometer technical conditions GB/T 1885 Petroleum Measurement Tables (GB/T 1885-1998, eqvISO 91-2.1991) GB/T 8017 Petroleum products - Determination of vapor pressure (Reid Method) GB/T 17291 standard reference conditions of petroleum liquid and gas measurement (GB/T 17291-1998, neqISO 5024. 1976) ISO 3507.1999 laboratory glassware pycnometer ISO 5024.1999 Petroleum liquids and liquefied petroleum gas measurement standard reference conditions3 Terms and DefinitionsThe following terms and definitions apply to this standard. 3.1 Density density At a predetermined temperature, the number of unit volume contained in the mass of material in kg/m3 or g/cm3 (g/mL) indicates. Note. When the density of the report, indicate the use of the density and temperature units. For example, kilograms per cubic meter or grams per milliliter, t ℃. 3.2 Air apparent mass apparentmassinair Control standard weight, weighing the value obtained in the air, where the standard weight and body were alleged air buoyancy effects Correction. 3.3 Apparent density observeddensity Charles takes GB/T 1885 standard density value corresponding to the desired table. This value is used in the soda lime glass hydrometers calibration temperature different from the real Under test temperature measurement, no expansion and contraction correction glass, the equivalent of a glass hydrometer readings. 3.4 The relative density relativedensity Substance at a given temperature and density than the density of the reference temperature of the standard substance. The standard reference material is water, the reference temperature Usually standard temperature. Note. In reporting relative density, indicating t1 and t2. Principle 4 4.1 Capillary stoppered pyknometer method By comparing the same volume and quality of water samples to determine the density. The pycnometer filled with a liquid to overflow, so that at the test temperature Water bath to reach equilibrium ensures equal volume. Calculation (Cap 10) includes amendments to the glass and the thermal expansion of air buoyancy. 4.2 Graduated bicapillary pycnometer Calibration of pycnometer scale water arm, according to the proportion of the water bottle and the apparent mass scale values plotted in the air. The liquid sample is sucked dry The proportion of dry bottle, after the test the temperature reaches equilibrium, record the weight of the liquid ticks saying pycnometer. Read out from the chart and so the volume of water Apparent in the air quality, computing density and relative density of the sample, according to 4.1 while the corresponding amendments.5 Instruments5.1 Capillary stoppered pyknometer, Figure 1 shows three models pycnometer (common specifications see 8.1.1). 5.1.1 pycnometer shall comply with the relevant requirements of ISO 3507. Fig. 1a) of the protective cap (grinding mouth cap) type recommended for all samples except viscous or solid products, usually applied to the volatile product. Grinding mouth cap or protective cap effectively reduces swelling and loss of volatiles, which can be used to determine the pycnometer laboratory temperatures below room temperature. 5.1.2 Figure 1b) pycnometer shown, called cover - Lu Seke, suitable for high viscosity in addition to outside non-volatile liquid. 5.1.3 Figure 1c) wide mouth pycnometer shown for more viscous liquids or solids. 5.1.4 Figure 1, b) and c) type pycnometer no "protective cap" or expansion chamber. Both bottles are not suitable for determining the proportion is far lower than the real temperature Laboratory conditions of temperature, because when weighed sample through a capillary tube expansion can cause loss of sample. a) b) c) Figure 1 Capillary stoppered pyknometer 5.2 Graduated bicapillary pycnometer capacity 1mL ~ 10mL, in line with the dimensions given in Figure 2, the size specifications are given in Table 1 below. Borosilicate glass or soda-lime glass, after annealing, the total mass of not more than 30g after manufacture. As long as compliance with ISO 3507 in the Pugin pycnometer Any pycnometer requirements can be used. Millimeters NOTE. A ~ J size in Table 1 content. Figure 2 graduated bicapillary pycnometer (inside Pugin type) Table 1 graduated capillary pycnometer Size Nominal capacity/mL 1 2 5 10 The maximum difference between the actual capacity and nominal capacity/mL ± 0.2 ± 0.3 ± 0.5 ± 1 Maximum mass/g 30 The total height of the (A)/mm 175 ± 5 The minimum height above the mark (B)/mm 40 The minimum height from the ball to the scale (C)/mm 5 The distance between the vertical centerline of the arms (D)/mm 28 ± 2 Pipe diameter (F)/mm 6 The tube inside diameter (G)/mm 1 ± 0.1 From the ball to the bottom line of zero-scale length (H)/mm 40 The outer diameter of the ball (J)/mm 11 14 20 25 5.3 constant temperature water bath. pycnometer depth greater than the height of the water bath temperature can be maintained within the desired temperature 0.05 ℃. 5.4 water bath thermometer. in line with GB/T 514 in GB -65, GB -66, GB -67 specifications. The other has an appropriate range, accuracy equal Or more of total immersion thermometer can also be used. 5.5 specific gravity bottle holder (optional). support pycnometer vertical water bath located in the right place, the right not to be corrosion in a water bath Metal. Stent shown in Figure 3 with a scale designed for dual capillary pycnometer. In a water bath can be several specific gravity bottle holder. The use of corrosion-resistant rectangular metal bars, a length sufficient to span the bath edge. Article drill A series of holes, the diameter of the hole adapted studs through gravity 6.5mm. Hole and hole spacing of about 45mm. Each column using a hexagonal screw Hole in the cap, wing nut and washer fixed to the bar. 5.6 Balance. Weighing accurate to 0.1mg. Prepare 6 pycnometer Wash thoroughly with surfactant washing liquid pycnometer stopper and carefully rinsed with distilled water, then in a water-soluble volatile solvent (E.g. acetone) and dried. If necessary, use filtered, dry air drying, to ensure that no trace of moisture. Whenever you want to share a bottle Calibration and inner walls or capillary pycnometer when hanging drops, so will the cleaning. Normal, between each measurement using a suitable 40 ℃/60 ℃ Light petroleum ether clean, then vacuum dry. Note. If the surfactant can not be cleaned with washing liquid, available chromic acid lotion. Chromic acid is a strong acid and strong oxidizing agents, should be used with extra care. Warning. chromic acid on human health. Because it is a compound containing chromium and has a high resistance, and while it is in contact with organic matter There will be potential toxicity, it is a chromic acid is recognized carcinogen. When used as a cleaning solution, paying particular attention with anti Goggles and wear protective clothing, not to draw mouth wash solution. Lotion after use, do not be poured in the drain. Since chromium Containing concentrated sulfuric acid to neutralize carefully, and follow the steps to deal with toxic waste processing laboratory cleaning solution (chromic acid environment seriously Dangers).7 Calibration of pycnometerMillimeters 1 --- welding; 2 --- spring clip 0.32mm; Sheet metal (brass); 3 --- butterfly nut; 4 --- gasket; 5 --- hexagonal nut; 6 --- sheet metal plate (brass), sheet thickness 0.315mm; . 7 --- three holes, Φ3mm. Figure 3 with a scale suitable for one kind of double capillary pycnometer stent design 7.1 Conditions ready After drying pycnometer cooled to room temperature. Eliminate possible static electricity generated on the pycnometer and weighed to 0.1mg. If the balance is not installed inside the static eliminator, you can share a bottle of breath to eliminate static electricity, but make sure before recording quality, the proportion of Bottle return to constant mass. To ensure accuracy, it should be weighed in not more than 5 ℃ temperature range, to limit the air density changes. 7.2 Capillary stoppered pyknometer 7.2.1 with freshly boiled and cooled to slightly below 20 ℃ distilled water filled pycnometer firmly plugged capillary plug, be careful not to press into the air bubble. The flask is immersed in a water bath in proportion to the neck, according to the need to maintain at 20 ℃ ± 0.05 ℃ less than 1h. 7.2.2 When the proportion of the contents of the bottle and reaches the bath temperature, dry the plug top, so that the water level at the top of the capillary forms a meniscus. In operation, As we must be careful because the capillary action of the cloth can absorb walk plug substances. If the protective cap type pycnometer, the "protective cap" firmly press On the plug. 7.2.3 The specific gravity bottle was taken out from the water bath, if not the "protective cap" type, and its contents were cooled below pycnometer bath temperature. 7.2.4 with a clean lint-free cloth to dry pycnometer outer wall, after the elimination of static electricity weighed to the nearest 0.1mg. 7.2.5 The difference between the apparent mass of pycnometer filled with water and the proportion of empty bottles in the air is the value of the water at a temperature of 20 ℃ pycnometer. 7.2.6 pycnometer water value should be measured at least five times, the poor should not exceed 0.5mg, the arithmetic mean value of water as a proportion of the bottle. 7.3 Graduated bicapillary pycnometer 7.3.1 The freshly boiled and cooled distilled water into the bottle proportion, to get near the top of the pycnometer scale reading area. Pycnometer is taken Filled siphon. In the case of keeping the bottle upright proportion of the bent hook-shaped spout on the liquid, the liquid in the capillary suction as Under cross section with a curved suction capillary liquid filling completed soon. Specific gravity bottle in a constant temperature bath, so that all of the liquid immersion specific gravity bottle Water bath below the liquid level. The bath temperature was kept at 20 ℃ ± 0.05 ℃, 20min specific gravity bottle is placed in the bath, read at each level of the scale arm The scale reading should be accurate to the minimum scale. 7.3.2 specific gravity bottle was removed from the water bath and allowed to flow outside of the arm to do. You can share a bottle of acetone in a beaker immersed look, and then a Block clean, dry lint-free cloth to dry. After pycnometer to reach room temperature, to eliminate static electricity, weighed to the nearest 0.1mg. 7.3.3 pycnometer filled with water and empty pycnometer the apparent difference in the quality of the air is filled with water quality test temperature (ie, the proportion of water bottles Value), equivalent to the sum of two scale readings. Have taken a certain amount of water, so as to obtain repeated measurements at least three readings instantly degrees different arm Level and the corresponding air apparent mass scale points. One pair of reading area at the top of the scale, the other on the reading scale located district The bottom end. And plotted with the appropriate quality and scale reading arms. These points should be in a straight line, whereby each of the scale reading pycnometer Water quality corresponding. If the point of this line deviates from a distance greater than two minimum scale, and a subsequent test is still the case, this should be discarded The proportion of defective bottles. 7.4 Other reference temperature If you want to determine the density of other temperature or relative density, temperature calibration is recommended pycnometer required. 7.5 recalibrate According to the experience set a recalibration pycnometer interval. It suggests a new pycnometer should recalibrate after one year, and then determined based on changes in the size of the calibration interval.8 Capillary stoppered pyknometer method test procedure8.1 liquid test procedure 8.1.1 Select pycnometer type and size appropriate for the test sample. Typically 25mL and 50mL most applicable. 8.1.2 weighed pycnometer Press Chapters 6 and 7 prepared and calibrated weight, if necessary, to eliminate static electricity (see paragraphs 2 and 7.1 Paragraph 3), 25mL or larger pycnometer weighed accurately to 0.5mg, other smaller capacity pycnometer weighed to the nearest 0.1mg. 8.1.3 The pycnometer filled with the sample, if necessary, should be preheated pycnometer and the sample, and so full of bubbles sepa......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 13377-2010_English be delivered?Answer: Upon your order, we will start to translate GB/T 13377-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 13377-2010_English with my colleagues?Answer: Yes. 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