ASTM C1152 PDF

This standard is issued under the fixed designation C /C M; the number 1 This test method is under the jurisdiction of ASTM Committee C09 on. Baixe grátis o arquivo ASTM CCM – 04 _ Acid-Soluble Chloride in Mortar and enviado por Juliano no curso de Engenharia Civil na. ASTM C Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete.

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ASTM C1152.C1152M – 04 – Acid-Soluble Chloride in Mortar and Concrete

Link to Active This link will always route to the current Active version of the standard. However, some organic substances that may be introduced into mortar or concrete contain chloride that is initially acid-insoluble that can eventually ionize and thus become acid-soluble or water-soluble after a period of exposure in the very alkaline cement system.

Privacy Policy Sensors Sitemap. NOTE 8—It is advisable to maintain constant temperature during measurement, as the solubility of silver chloride varies markedly with temperature at low concentrations. Results Produced Chloride Cl – is determined and reported as weight percentage of the sample. Transfer the filtrate from the flask to a mL beaker and rinse the flask once with water.

NOTE 9—If the tip of the buret is out of the solution, any adhering droplet should be rinsed into the beaker with a few millilitres of water following each titration increment. Place the beaker on a magnetic stirrer and add a TFE-fluorocarbon coated stir bar.

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Procedures for c152 method of sampling are as follows: For cement products, chloride can also be reported as percentage of the cement component if the 1c152 is provided or determined.

To prevent sample contamination, avoid contact of sample with hands and other sources of perspiration. Specification D for Type I reagent water. Make a blank determination using 75 mL of water in place of sample. Cool the filtrate to room temperature. Any rapid weighing device that may be provided, such as a chain, damped motion, or heavy riders, shall not increase the basic inaccuracy by more than 0.

A digital readout is preferred but not required. Astm c astm normas fibra de vidrio.

ASTM CCM – 04 – Acid-Soluble Chloride in Mortar and Concrete

If the smell of hydrogen sulfide is strongly present, add 3 mL of hydrogen peroxide See Note 5. Remove the beaker and wipe the electrodes asym absorbent paper. Do not allow sample to boil more than a few seconds See Note 6. CM or as required for the purpose of the investigation.

These notes and footnotes shall not be considered as requirements of this standard. Concrete farthest from a surface into which chloride has penetrated often provides chloride data close to that of the originally placed fresh concrete.

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ASTM C Test for Chloride in Mortar and Concrete | CTLGroup

The alternative designation in parentheses is for information only and does not represent a different standard sieve size. Originally approved in Order Form 2 Email complete form to contact listed below. A slurry that is only slightly acidic is sufficient.

Such chloride will be detected by the use of this method. However, some organic substances that may be introduced into mortar or concrete contain chloride that is initially acid-insoluble that can eventually ionize and thus become acid-soluble or water-soluble after a period of exposure in the very alkaline cement system.

Some values have only SI units because the inch-pound equivalents are not used in practice. Chemical Society, Washington, DC. Blast-furnace slag aggregates and cements contain sulfide sulfur in concentrations that can cause such interference and produce erroneously high test results.

If the solution above the settled solids is not pink colored, add more nitric acid dropwise while stirring until a pink or reddish color persists, then add 10 additional drops of nitric acid and stir. Treatment with hydrogen peroxide, as discussed in Test Methods C, is used to eliminate such interference. Parte 1 de 2 Designation: