ASTM Dpdf – Download as PDF File .pdf), Text File .txt) or read online. – Download as PDF File .pdf), Text File .txt) or read online. ASTM Dpdf. November 29, | Author: Nok Chan | Category: Distillation, Thermometer, Electric Heating, Liquids, Temperature.

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This test method also provides an empirical value of residue, solvent recovery capacity, and loss or non-recovery on heating. Record the temperature at this astk as the dry point Section 3. We need your help! If no thermometer is specified, select one from Table 1 with the smallest graduations that will cover the entire distillation range of the material.

Precision and Bias For low-boiling materials, cool the heating unit to room temperature before starting the test. NOTE 4—For low-boiling materials, cool the apparatus to room temperature before starting the test.

ASTM D1078.pdf

Please help us to share our service with your friends. Have the bottom of the flask resting firmly in the hole of the heat shield.

Keywords NOTE 8—In cases of dispute, the parties involved may zstm to designate either the manual or the automatic method to be the referee test method. The study involved six samples of different boiling point ranges, done in duplicate. If an agreement on which method to designate cannot be made, wstm referee test method will be the manual method. Therefore, this test method provides a test procedure for assessing compliance with a specification.

ASTM D – 05 Standard Test Method for Distillation Range of Volatile Organic Liquids

atsm When active decomposition is encountered, the rapid evolution of vapor and heavy fumes is usually followed by a gradual decrease in the distillation temperature. These should be used only after they have been proven to give results comparable to those obtained when using gas heat.

Measure the volume and record it as residue. Originally published as D — 49 T.


Users should be aware that selling mercury or mercury-containing products, or both, in your state may be prohibited by state law. Summary of Test Method 4. The observed bias if any are only for the samples studied and may not be necessarily applicable to other samples.

HDA 620: Distillation Analyzer

Please fill this aatm, we will try to respond as soon as possible. NOTE 1—Liquid superheating in a new flask may be prevented by depositing a small amount of carbon in the bottom 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. See Section 9 for factors that cause superheating, and Appendix X1 for a discussion on the use of electric heaters.

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 superheating effect obtained from electric heaters d1708 be minimized, but not completely eliminated, by selecting a heater that, by its design, concentrates the heating elements to a minimum area, and contains a minimum amount of ceramic material in its overall construction. 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 asym there is liquid remaining on the bottom of the flask when the maximum temperature is observed on the distillation thermometerrecord this fact.

Mercury, or its vapor, may be hazardous to health and corrosive to materials. Asm — 01 Designation: This test method provides a method of measurement of distillation range of volatile organic liquids.

Insert the thermometer as described in 8. A superscript epsilon e indicates an asrm change since the last revision or reapproval. Please copy and paste this embed script to where you want to embed Embed Script.

A These thermometers have more temperature lag than the other thermometers listed herein and are not satisfactory for use with narrow-boiling range liquids. Record the difference between and the sum of the residue plus recovery as distillation loss. Last previous edition D — Adjust the position of the heat shield so that the neck of the flask is vertical and the vapor tube extends into the condenser tube a distance of 25 to 50 mm.


Link to Active This link will always route to the current Active version of the standard. 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 small but statistically significant bias was indicated for the automatic and manual D dry point DP.

Specific hazard statements are given in Section 7.

The hole must be perfectly circular, with no irregularities. Specific 3 D factors conducive to superheating are as follows, and should be avoided: NOTE 2—Toluene is shown in reference manuals as boiling at The flask is then prepared for use by washing with water, rinsing with acetone, and drying. A number in parentheses indicates the year of last reapproval. Ten laboratories did d178 D distillation, and five laboratories did manual D distillation.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. We are a non-profit group that run this website to share documents. In the operation of the distillation apparatus, use a suitable catch pan zstm shielding to contain spilled liquid in the event of accidental breakage of the distillation flask.

As the relative volatility, residual matter and recovery capability affect the efficiency of these processes, this test method is useful in manufacturing control.

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