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Santosh Prakash
Iron
Asked: 2020-04-08T13:07:53+05:30 In:

Why during etching the image is black and white?

Why during etching the image is black and white?
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    3 Answers

    1. Gold Metallurgist, Standard Provider (IS, ASTM, BS, ISO etc), Laboratory Equipment Suppliers,

      It's difference Phase. And for that we do etching

      It’s difference Phase.

      And for that we do etching

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    2. Platinum

      Etching is done to differentiate the phases present.

      Etching is done to differentiate the phases present.

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    3. Platinum GATE Metallurgy Coaching |Providing Video Solutions and Concepts of Metallurgy since 2016 | Follow our channel, "C Patel Metallurgy" on Youtube for your GATE preparation

      One region like GB etches more and does not allow light to reflect back and makes it dark. Lighter one etches less and light gets reflected easily.

      One region like GB etches more and does not allow light to reflect back and makes it dark. Lighter one etches less and light gets reflected easily.

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