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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If the smell of hydrogen sulfide is strongly present, add 3 mL of hydrogen peroxide See Note 5. Concrete farthest from a surface into which chloride has penetrated often provides chloride data close to that of the originally placed fresh concrete. Place the delivery tip of the 10 mL buret filled to the zero mark with standardized 0.

Rinse the beaker and the filter paper twice with small portions of water. ICS Number Code Results Produced Chloride Cl – is determined f1152 reported as weight percentage of the sample. Print and complete the following order form.

1c152 titration may take place in a solution that contains a small amount of solid matter. Record the approximate millivoltmeter reading. In most cases, acid-soluble chloride is equivalent to total chloride. Directreading balances shall have a sensitivity not exceeding 0. Blast-furnace slag aggregates and cements contain sulfide sulfur in concentrations that can cause such interference and produce erroneously high test results.

Astm a Astm a Current edition approved Dec. ASTM Volume To prevent sample contamination, avoid contact of sample with hands and other sources of perspiration. 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.

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

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

The cooling water from core cutting may dissolve some of the chloride. Some values have only SI units because the inch-pound equivalents are not used in practice. However, some astmm 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.

Order Form 2 Email complete form to contact listed below. Excessive amounts of acid can erode the silver chloride coating on the silver billet electrode prematurely.

Procedures for this method of sampling are as follows: Unless otherwise indicated, it is intended that all reagents shall conform to the specifications of the Commit- tee onAnalytical Reagents of theAmerican Chemical Society5. Transfer the filtrate from the flask to a mL beaker and rinse the flask once with water. NOTE 6—To prevent loss of chloride by volatilization, it is important to keep the beaker covered during heating and digestion.

Submit the concrete mix design if the results will be expressed as Cl – percentage of cement. Asttm 3 drops of methyl orange indicator to the beaker and stir. The alternative designation in parentheses is for information only and does not represent a different standard sieve size. A superscript epsilon indicates an editorial change since the last revision astj reapproval. NOTE 4—Sampling tools may ast, cleaned with a brush, asmt, ethyl alcohol rinse, water rinse, or other method that will not contaminate the sample.

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Cool the filtrate to room temperature. Commercially available standard solutions may be used provided the normality is checked according to the standardization procedure.

ASTM C / CM – 97 Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete

Concrete and Concrete Aggregatesand is the direct responsibility of Subcommittee C In most cases, acid-soluble chloride is equivalent to total chloride. Place the beaker on a magnetic stirrer and add a TFE-fluorocarbon coated stir bar. Specification D for Type I reagent water.

A slurry that is only slightly acidic is sufficient. 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.

If you need more info or have any questions, please note the Lab ID number 37 and contact us at: CM or as required for the purpose of the investigation.

Chemical Society, Washington, DC. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. 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. No lubricants shall be used during drilling.

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