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Ten laboratories did automatic D distillation, and five laboratories did manual D distillation.
ASTM D – 01 Standard Test Method for Distillation Range of Volatile Organic Liquids
Please help us to share our service with your friends. Therefore, this test aztm provides a test procedure for assessing compliance with a specification. This can be accomplished potentiometrically by the use of standard precision resistance, depending on the type of probe. If yields are not obtained within these limits, repeat the test.
HDA 620: Distillation Analyzer
Record the difference between and the sum of the residue plus d1708 as distillation loss. These should be used only after they have been proven to give results comparable to those obtained when using gas heat.
These peroxides may present d078 violent explosion hazard when the chemical is distilled, especially as the dry point is approached. The fulfillment of these requirements will reduce, but not completely eliminate, the amount of extraneous heat radiating around the perimeter of the asbestos-cement board on which the distillation flask is placed.
The relative volatility of organic liquids can be used with other tests for identification and measurement of quality.
Please fill this form, we will try to respond as soon aatm possible. D — 01 Designation: Originally published as D — 49 T.
IBP 50 75 r 0. The flask is then prepared for use by washing with water, rinsing with acetone, and drying. Thank you for interesting in our services. It was found that the precision is dependent on the boiling point temperature.
Any variation would result in heating a larger portion of surrounding air to a higher temperature than that of the flask.
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
The relative volatility of organic liquids r1078 be used with other tests for identification and measurement of quality. Organic liquids are used as solvents in many chemical processes. d107
Transfer the fresh specimen directly to the flask, allowing the receiver to drain for 15 to 20 s see Note 6. When active decomposition is encountered, the rapid evolution of vapor and heavy fumes is usually followed by a gradual decrease in the distillation temperature.
ASTM Dpdf – Free Download PDF
If a dry point is not obtained that is, if active decomposition should occur before the dry point is reached, as evidenced by a rapid evolution of vapor or heavy fumes; or if there is liquid remaining on the bottom of the flask when the maximum temperature is observed on the distillation thermometerrecord this fact.
For narrow-boiling hydrocarbon materials, the value of K may be assumed as 0. Organic liquids are used as solvents in many chemical processes. Preparation of Apparatus 8.
Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend. We are a non-profit group that run this website to share documents. Do not allow any of the specimen to enter the vapor tube.
When peroxide formation is likely because of chemical type or length of storage, the material should be analyzed for peroxides See Test Method E A superscript epsilon e indicates an editorial change since the last revision or reapproval.
The temperature of the mercury in the thermometer is equilibrated with that of the refluxing liquid before the distillate is taken over. Record the readings of the distillation thermometer after collecting 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, and 95 mL of distillate. Link to Active This link will always route to the current Active version of the standard. Confirmation of the calibration of these temperature sensors shall be done at regular intervals.