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Activation For Nickel Test Strips

Activation of Passive Nickel for Deposit Stress Analyzer Tests

Depending on the chemistry of the plating solution selected for internal deposit stress determination, it may be necessary to activate the surface of PN: 270NI Nickel Test Strips to obtain adhesion of the applied metallic deposit. A Wood’s Nickel Strike is recommended.

Activating the Pure Nickel PN: 270NI  Nickel Test Strips
 Wood’s Nickel Strike

Nickel Chloride 38 oz/gal. (1,077 grams/ gal.)

Pure Hydrochloric Acid 14 fluid ounces/gal. (325 ml/gal.)

Treat the 270NI Nickel Test Strip in the nickel strike with positive anodic current at 30 ASF (0.25 amp) for 30 seconds, then with negative current for 45 seconds at 30 ASF. Water rinse and submit the test strip to the plating bath sample for the internal deposit stress evaluation. Note that this treatment has little impact on the final deposit weight, but for critical situations, it is the best practice to rinse, dry and weigh the test strip prior to submitting it to the plating test.