Determination of CaCO3 by rapid titration method (Puri, 1930), the indicator used is -
कैल्शियम कार्बोनेट के शीघ्र अनुमापन विधि (पुरी, 1930) द्वारा निर्धारण में, सूचक प्रयुक्त होता है -
Which of the following is responsible for the green colour at the end point of the titration in organic carbon determination?
which of the following indicator is used in titration of Ca alone?
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