Phosphatizing liquid and preparation method thereof
A preparation method and phosphating solution technology, applied in the field of phosphating treatment, can solve the problems of steam heating pipelines that do not have large enterprises, poor production batches and overall planning, exhaust gas pollution, etc., to reduce construction difficulty and protect the environment Meager, the effect of reducing labor intensity
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[0034] Example 1
[0035] Prepare 500kg of normal temperature phosphating solution:
[0036] Phosphoric acid (85%) 150-180Kg; Nitric acid (68%) 80-100Kg; Zinc oxide (99.7%) 78-92Kg; Water (added first) 70Kg; Citric acid 2--3Kg; Sodium fluoride 2Kg; Nickel nitrate 3--5Kg; iron nitrate 0.8-1.2Kg; copper nitrate 0.02-0.05Kg; water (additional) balance.
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[0037] Example 2
[0038] Prepare 100kg ultra-low temperature accelerator:
[0039] Tartaric acid 0.5-0.8kg; Citric acid 0.2-0.5kg; Sodium fluoroborate 2.5-3.5kg; Sodium m-nitrobenzene sulfonate 1.0-2.5kg; Sodium chlorate 1.5-2.0kg; Sodium nitrite 35-40kg; Hydrogen peroxide 3 -5Kg; ferric nitrate 0.5-0.8Kg; balance of deionized water.
Example Embodiment
[0040] Example 3
[0041] To prepare 100kg of neutralizer:
[0042] Flake caustic soda (ion membrane, 99%) 20kg, sodium carbonate (industrial grade 96%) 15kg water 65kg.
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