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Standard ASTM Butadiene Measurement Tables
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NORM herausgegeben am 1.10.2018
Bezeichnung normen: ASTM D1550-18
Ausgabedatum normen: 1.10.2018
SKU: NS-908535
Zahl der Seiten: 18
Gewicht ca.: 54 g (0.12 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
butadiene, relative density, tables, volume, weight,, ICS Number Code 71.080.10 (Aliphatic hydrocarbons)
Significance and Use | |||||||||
3.1 Accurate knowledge of the weight and volume of butadiene is necessary for the orderly manufacture, storage, transfer, and sale of the material. These tables are suitable for use in these and similar aspects of butadiene commerce.
Enter the table in the column for
“Specific Gravity 60/60 °F'' headed 0.625, and note that against an
“Observed Temperature'' of 35 °F the factor is
|
1.027 |
||||||||
Hence, 1 U.S. gal of butadiene of relative density 0.625 at 60/60 °F and measured at 35 °F occupies a volume at 60 °F of | 1.027 U.S. gal | ||||||||
Then 45 500 U.S. gal measured at 35 °F occupy a volume at 60 °F of 45 500 × 1.027 or | 46 728 U.S. gal |
A tank of 10 000 U.S. gal capacity is observed to contain 1500 gal of liquid at 95 °F and consequently 40.1 psi gauge pressure and an observed relative density of 60/60 °F 0.627. The volume of butadiene vapors in the tank is obviously 10 000 − 1500, or | 8500 U.S. gal |
Entering the table with either the temperature of 95 °F, or the gauge pressure of 40.1 psi, the volume of 60 °F butadiene liquid in each volume of vapor space is | 0.01404 |
Then 8500 U.S. gal multiplied by 0.01404 gives the amount of butadiene in the vapor space expressed as U.S. gallons of 60 °F butadiene liquid and is | 119.3 gal |
This 121.0 gal of 60 °F butadiene liquid that is in the vapor space can be added to the liquid contents of the tank expressed as U.S. gallons of 60 °F butadiene to obtain the total contents of the tank. | |
From Table 2 the factor to correct the 1500 gal from 95 °F and a relative density of 0.627 to 60 °F is 0.961; therefore, the liquid content of the tank in U.S. gallons at 60 °F is 0.961 × 1500 | 1441.5 gal |
The total contents of the tank in U.S. gallons at 60 °F is 119.3 + 1441.5 or 40.1 | 1560.8 gal |
The table can also be entered with the temperature of 95 °F or gauge pressure of 40.1 psi reading the vapor density in air of | 0.0734 lb/gal |
The weight of butadiene in the vapor space of 8500 U.S. gal is therefore (8500 × 0.0734) | 623.9 lb |
From Table 2 the 1500 gal of liquid of 0.627 relative density and 95 °F is multiplied by the factor of 0.961 to obtain the amount of butadiene at 60 °F (1500 × 0.961) | 1441.5 gal |
From API MPMS 11.5.2, the 1441.5 gal of butadiene at 60 °F with a relative density of 0.627 is noted to weigh 5.218189479 lb/gal; therefore, the weight of liquid butadiene is 1441.5 × 5.218148479 | 7521.7 lb |
The total weight of butadiene in the tank is 623.9 + 7521.96 | 8145.6 lb |
1.2 These tables are applicable to both butadiene and butadiene concentrates (minimum of 60 % butadiene).
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Standard Guide for the Use of the Joint API and ASTM Adjunct for Temperature and Pressure Volume Correction Factors for Generalized Crude Oils, Refined Products, and Lubricating Oils: API MPMS Chapter 11.1 (Includes all amendments and changes 5/15/2020). |
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