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Method Dobtain samples by the boring procedure in Collect the sample s directly in a clean, dry bottle s or other appropriate container s. Solids or semi-liquids that can be liquified by sediment and water in the thief, heat may be sampled using this procedure, provided they are d A clear cylinder that facilitates observing the gravity true liquids at the time of sampling. If a shipment consists of contain- in.

However, tank samples should be maintained in a closed container in order to samples may be used when agreed to by all parties to the prevent loss of light components.

Alternative sampling container may be subjected. Never expose them to temperatures asfm those tank cars, and tank trucks by the bottle sampling procedure necessitated by atmospheric conditions. This type of thief has a projecting stem on the valve rod which opens the valves automatically as the stem strikes the bottom of the tank. It is preferable to take sample will finally be reduced to a representative, suitable size samples during the unloading of cars or during transit; obtain for laboratory purposes.

Other requirements for sample taps Do not allow the hands to come in contact with any mL to 1 L 1 pt to 1 qt. Mix and spread L 10 qt capacity shall be used as the sample container. Close required representing different volumes.


This method may also be used asttm tanks up to and including a capacity of m3 bbls.

In most other A waiting period normally 30 min or more after filling compositing situations, equal volumes from the individual cessation will generally be required to permit dissipation of samples must be used. Remove the thief from the 10 bbls taps. Procedures are also included for the sampling of free water and other heavy components associated with petroleum and petroleum products. Sampling Procedures General completely.

Use a clean, dry sample container of the desired size. Label the sample opposite sides of the tube at the upper end are convenient for container and deliver it to the laboratory.

ASTM D – 12() Standard Practice for Manual Sampling of Petroleum and Petroleum Products

Do not sample the grease until it has cooled to a temperature not more than 9. Never use rubber stoppers. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Include the following information on characteristics and average condition of the material. Use only clean, dry cans, or glass bottles as sample containers.

Log In Sign Up. If the largest lumps in the For sampling locations, see Fig. Screw caps must be might contaminate the material being dd4057.

A number in parentheses indicates the year of last reapproval. Use of sludge solvents to remove all traces of sampled may adversely affect the representative character of sediments and sludge may be necessary.

Last previous edition D — Tank sampling, in accordance with the procedures another container or test vessel, the sample must be thoroughly outlined in Section 13, is acceptable under the conditions mixed in accordance with the type of material and appropriate covered in 5. Users of this d405 are expressly advised that determination of the validity of any such patent rights, and the risk xstm infringement of such rights, are entirely their own responsibility.


The method of compositing should be the electrostatic charge.

Some tests may also be made on the spot samples before blending and the results averaged. The individual test results of baffles, and orifice or perforated plate, or combination of any may be astmm averaged, adjusting for variations in flow of these methods.

Multi-Level Self-Sealing Sampler

Use the dipper procedure in Section 15 to make certain that cans are free of contaminants, such as rust obtain samples for fill or discharge lines. Screw caps providing a vapor pling devices shall be clean, dry, and free of all substances that tight closure seal shall be used for cans. Probe designs that are Tank samples of crude oil and residual oils 7. In this manner, the and difficult to sample accurately.

Clean the bottles by the procedure de- accordance with Table 3. NOTE 1—Probes may be fitted with valves or plug cocks. The sample enters the container through the bottom valve, and air is released simultaneously through the top valve. Avoid handling any part of the tube that will be immersed in the oil during the sampling operation.

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