@@mohamadelhajjyounes7841 (a) If the colour of the liquid above the fine aggregate is lighter than the reference colour, the amount of organic impurities present in the fine aggregate under test is probably not significant and the sample is reported as "Pass" on the test report. (b) If the colour of the liquid above the fine aggregate is darker than the reference colour, the sample is reported "Fails" on the test report and desirability of performing further tests to assess the effect of organic impurities on the concrete-making properties of the fine aggregate under test should be considered.
Liquid Color 1, 2, or 3 (which is of the same color or lighter than the standard color of 3) means that it is acceptable to use. A liquid color of 4 or 5 would indicate that further testing is advised.
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Liquid color 2 means
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@@mohamadelhajjyounes7841 (a) If the colour of the liquid above the fine aggregate is lighter than the reference colour, the amount
of organic impurities present in the fine aggregate under test is probably not significant and the
sample is reported as "Pass" on the test report.
(b) If the colour of the liquid above the fine aggregate is darker than the reference colour, the sample
is reported "Fails" on the test report and desirability of performing further tests to assess the effect
of organic impurities on the concrete-making properties of the fine aggregate under test should be
considered.
Liquid Color 1, 2, or 3 (which is of the same color or lighter than the standard color of 3) means that it is acceptable to use. A liquid color of 4 or 5 would indicate that further testing is advised.