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氨基磺酸的主要作用介绍!
来源:http://www.jnjrh.com 日期:2019-04-25 发布人:admin
镀金或合金时普遍采用氨基磺酸,镀金、银、金-银合金的电镀液是每立升水中含氨基磺酸60~170克。镀银女服饰针的典型电镀液是每立升水中含氨基磺酸125克,可获得表面非常光亮的镀银。在新的含水镀金电镀液中碱金属氨基磺酸盐、氨基磺酸铵或氨基磺酸可作为导电、缓冲作用的化合物使用。
  Aminosulfonic acid is commonly used in gold plating or alloy plating. The bath of gold plating, silver plating and gold-silver alloy plating contains 60-170 grams of amino sulfonic acid per liter of water. The typical electroplating solution for silver-plated women's clothing needles is 125 grams of sulfamic acid per liter of water, which can obtain very bright silver plating. Alkali metal sulfamate, ammonium sulfamate or sulfamate can be used as conductive and buffer compounds in new aqueous gold plating bath.
  从镀镍废液中回收时是用阳离子交换树脂吸附处理而后用氨基磺酸清洗树脂,使被吸附的解吸出来,树脂获得再生。例如处理400ppmNi的电镀废液,用150克/升的氨基磺酸50ml,回收的(NH2SO3)2112克/升,NiSO4148克/升。在镀镍部件修复时需要镍上镀镍,在其阳极处理时可用100克/升的氨基磺酸处理。在镀镍前的镀镍表面要用0.003~0.1克分子的氨基磺酸溶液清洗。
  When recovering from nickel plating wastewater, the resin is adsorbed by cation exchange resin and then cleaned by Aminosulfonic acid, so that the adsorbed resin can be desorbed and regenerated. For example, 400 ppmNi electroplating waste solution is treated with 150 g/l sulfamic acid 50ml, 2112 g/l of recovered (NH2SO3) and 4148 g/l of NiSO. Nickel plating is required for repairing nickel-plated parts and 100g/L sulfamic acid is used for anodizing. The surface of nickel plating before nickel plating should be cleaned with 0.003-0.1 g molecule sulfamic acid solution.
  镀铜液的氨基磺酸含量为3~20升,氨基磺酸的作用是使镀层细密而富有延展性,其粘度力高。
  The content of sulfamic acid in copper plating bath is 3 to 20 liters. The function of sulfamic acid is to make the coating fine and ductile, and its viscosity is high.
  镀铱时NH2SO3H/Ir≥7,获得的铱镀层无裂纹,铱层厚15微米,粘接力大,该产品有自动抗污染设备中显示出良好的活性。
氨基磺酸
  NH2SO3H/Ir (> 7) when Iridium plating, the obtained Iridium coating has no cracks, the thickness of Iridium layer is 15 microns, and the adhesive force is large. The product has good activity in automatic anti-pollution equipment.
  在银器、电器元件上镀铑-铼合金时,电渡液中含氨基磺酸为100克/升,当镀层厚为≤5微米时就有很高硬度和很强的耐腐蚀性,而且电镀层非常光亮,美观。
  When rhodium-rhenium alloy is plated on silver and electrical components, the sulfamic acid content in the electrolyte is 100 g/l. When the thickness of the coating is less than 5 microns, it has high hardness and strong corrosion resistance, and the electrodeposit is very bright and beautiful.
  在黄铜上光洁美观的铑-铼电渡层硬度高,耐腐蚀,电镀液含氨基磺酸100克/升,浓硫酸50克/升,铑(如硫酸盐)2克/升,铼〔如K3N(RuCl4H2O2)2〕0.05克/升,在65℃和1~2安/分米2的条件,沉积速度3~4毫克/安分。
  The smooth and beautiful rhodium-rhenium transition layer on brass has high hardness and corrosion resistance. The plating solution contains 100g/l aminosulfonic acid, 50g/l concentrated sulfuric acid, 2g/l rhodium (e.g. sulfate), 0.05g/l rhenium (e.g. K3N (RuCl4H_2O_2), 3-4mg/ampere at 65 C and 1-2ampere/decimeter 2, and the deposition rate is 3-4mg/ampere.
  意大利已使用氨基磺酸铅浴代替氟硅酸浴,可减少污染。在防蚀铝工业上有多种用途。产品光泽好,加工性能优良。
  Lead sulfamate bath has been used instead of fluosilicate bath in Italy to reduce pollution. There are many uses in anti-corrosion aluminium industry. The product has good gloss and processing performance.
  氨基磺酸是价廉易得和稳定性好的固体酸,对有机酸的酯化反应具有很好的催化效果,且不腐蚀设备。
  Aminosulfonic acid is a solid acid with good stability and low cost. It has good catalytic effect on esterification of organic acids and does not corrode equipment.