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Nickel thickness measurement: which electrolyte?

Q. Hello, I am measuring nickel plating on brass using HQT-IA colorimetric thickness tester. My question is what type of electrolyte should I use? Table provided with the tester states that 80g NH4NO3 and 40g NaSCN should be dissolved in 1 L solution. Do I dissolve both NH4NO3 and NaSCN in 1 L of distilled water? Or do I only choose 1 of the specified reagents for the measurement? Thank you in advance.

Haroldas Juknevicius
- Vilnius, Lithuania
January 19, 2022

January 2022

? Hi. This is interesting to me because I've never heard of colorimetric thickness testing.

Luck & Regards,

Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

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