ASTM C1152 PDF

Published by on August 26, 2021
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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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The volume should not exceed mL. Thus, several such samples should be combined, or the data used with care.

ASTM C / CM – 03 Standard Test Method for 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. The alternative designation in parentheses is for information only and does not represent a different standard sieve size.

Such chloride will be detected by the use of this method. NOTE 4—Sampling tools may be cleaned with a brush, cloth, ethyl alcohol rinse, water rinse, or other method that will not contaminate the sample. No further reproductions authorized. Transfer the filtrate from the flask to a mL beaker and rinse the flask once with water.

Specification D for Type I reagent water. The cooling water from core cutting xstm dissolve some of asstm chloride.

ASTM C Test for Chloride in Mortar and Concrete | CTLGroup

In most cases, acid-soluble chloride is equivalent to total chloride. Blast-furnace slag aggregates and cements contain sulfide sulfur in concentrations that can cause such interference zstm produce erroneously high test results.

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Instructions Sample mass should be at least 25 grams 1 oz of dried, finely powdered sample. 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. Remove the beaker and wipe the electrodes with absorbent paper. Make a blank determination using 75 mL of water in place of sample.

To prevent sample contamination, avoid contact of sample with hands and other sources of perspiration. Excessive amounts of acid can erode the silver chloride coating on the silver billet electrode prematurely.

NOTE 8—It is advisable to maintain constant temperature during measurement, as the solubility of silver chloride varies markedly with c112 at low concentrations.

Time for Results Please contact a CTLGroup chemical services representative or Project Manager to discuss your individual project needs and testing response times. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Cover the beaker with a watch glass and allow to stand for 1 to 2 minutes. CM or as required for the purpose of the investigation. A slurry that is only slightly acidic ashm sufficient.

Treatment with hydrogen peroxide, as discussed in Test Methods C, is used to eliminate such interference. Dissolve in water and dilute to exactly 1 L in a volumetric flask and mix thoroughly.

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Such chloride will be detected by the use of this method. These notes and footnotes shall not be considered as requirements of this standard. NOTE 6—To prevent loss of chloride by volatilization, it is important to keep the beaker covered during heating and digestion. Note 1 — Sieve size is identified by its standard designation in Specification E 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.

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

This solution awtm the standard and requires no further standardization. Place the beaker on a magnetic stirrer and add a TFE-fluorocarbon coated stir bar. Privacy Policy Sensors Sitemap.

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. In most cases, acid-soluble chloride is equivalent to total chloride. Dilute to 1 L in a volumetric flask and mix thoroughly. Blast-furnace slag aggregates and cements contain sulfide sulfur in concentrations that can cause such interference and produce erroneously high test results.