The total alkali is determined by incinerating a weighed sample in a platinum dish, dissolving the residue in water, filtering and titrating the filtrate with standard acid. [Please select]
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_Chlorides_ are estimated by titrating the neutral solution with N/10 silver nitrate solution, potassium chromate being used as indicator. [Please select]
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, and in it may be determined:-- _Caustic soda_, by titrating with N/1 acid the filtrate resulting from the treatment of 20 c. [Please select]
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9 grammes of the sample, and titrating with N/1 acid directly, or adding 100 c. [Please select]
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_Total alkali_ is estimated by dissolving 2 grammes in distilled water, and titrating when cold, with N/1 acid, using methyl orange as indicator. [Please select]
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The total quantity of these compounds may be ascertained by acidulating with acetic acid, and titrating with N/10 iodine solution, using starch paste as indicator. [Please select]
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The amount of sulphides may be estimated by titrating the hot soda solution, to which ammonia has been added, with an ammoniacal silver nitrate solution, 1 c. [Please select]
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