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Testing of Phosphate Solution

The document provides instructions for testing a phosphate tank solution by adding 10 ml of solution to a dropper, adding 3-4 drops of Phenolphthalein, and adding sodium hydroxide until the solution turns light pink to determine the pointage.

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Amandeep Singh
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77 views1 page

Testing of Phosphate Solution

The document provides instructions for testing a phosphate tank solution by adding 10 ml of solution to a dropper, adding 3-4 drops of Phenolphthalein, and adding sodium hydroxide until the solution turns light pink to determine the pointage.

Uploaded by

Amandeep Singh
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Date : 10.10.

2018
KOVA Fasteners Pvt.Ltd Testing of wire Phosphate
tank solution

10 ml phosphate solution in dropper nobe

Store in glass or jar

Add 3-4 drops of Phenolphthalein in solution

Add sodium hydroxide in the solution ( The pointage of phosphating solution is the number of (mL) of N/10 Sodium
hydroxide add in solution, untill solution color gets light pink.

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