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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Nickel Treatment By Sodium Hydroxide PPT

Dear Expert,

I was treating a solution of nickel sulphate and nickel chloride with sodium hydroxide and a green ppt. was formed. My problem is- What reaction is taking place? and What is the ppt. formed?

Juber Celino
- Baguio Cty, Phil.
2001

The dissolved nickel is precipitating as nickel hydroxide.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2001

The equation is

NiCl₃ + NaOH = NaCl + Ni(OH)₃

Vinod Agrawal
- Baroda, India
May 2, 2009

I believe that Vinod is correct except that the subscript on both sides of the equation should be '2' rather than '3'.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
May , 2009

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