In accordance with ferrous ammonium sulfate in water samples to calculate the amount of material to restore the volume of oxygen consumption, which was potassium dichromate titration reflux. 根据硫酸亚铁铵的用量算出水样还原性物质消耗氧的量,这就是重铬酸钾回流滴定法。
Ammonium bichromate ( dichromate): Salt formed by neutralising chromic acid with ammonia. An orange color crystal that is soluble in water, insoluble in alcohol. 重铬酸铵:氨与铬酸中和所产生的盐。橙红色晶体。可溶于水,不溶于醇(酒精)。
The effects of the concentrations of ammonium dichromate and methylene blue, the exposure and the dehydration temperature on the diffraction efficiency were studied. 研究了明胶中重铬酸铵和亚甲蓝的浓度、曝光量和脱水温度对全息图像衍射效率的影响。
A Novel Microlens Array Made of Ammonium Dichromate Gelatin 重铬酸铵明胶微透镜阵列的研究
The Effect of the Ammonium Dichromate Concentration in the Post-processing on the DE of MBG Hologram 后处理中重铬酸铵浓度对MBG全息图衍射效率的影响
Eosin-Y is introduced into the aqueous ammonium dichromate to make a eosin-Y sensitized dichromated gelatin plate. 曙红-Y染料加入重铬酸盐明胶敏化液中,制作成曙红-Y敏化重铬酸盐明胶干版。
Using the reaction of the crosslinking of ammonium dichromate gelatin after irradiation, a novel microlens array was fabricated. 根据重铬酸铵明胶在受光照后发生交联的原理,采用重铬酸铵明胶作材料制作了微透镜阵列。
The water quality indexes, including total nitrogen ( TN), total phosphorus ( TP), the chemical oxygen demand ( CODcr) and pH value, were respectively determined by alkaline potassium persulphate digestion-UV spectrophotometric method, ammonium molybdate spectrophotometric method, dichromate method and pH meter. 分别用碱性过硫酸钾消解紫外分光光度法、比色法、重铬酸盐法测定了灌溉前后灌溉水水质指标总氮、总磷、化学需氧量(CODcr),同时测试pH值。
Ammonium molybdate, ammonium dichromate, ammonium chromate and ammonium tungstate showed positive effects on the formation of aldehydes and reduced the loss of rhodium in the distillation process for the separation of the catalyst and products. 结果表明,钼酸铵、重铬酸铵、铬酸铵或钨酸铵的添加对提高产物醛的收率有促进作用,并且在蒸馏分离催化剂和产物的过程中可以减少Rh的损失。
The polarization behaviour of lead has been studied in sulphuric acid solutions with various additions of sodium sulphate, cobalt sulphate, ammonium dichromate and phosphoric acid. LAB增强剂采用在带有硫酸钠,硫酸钴,重铬酸铵和磷酸的多种添加剂的硫酸溶液中,对铅蓄电池电极的特性进行研究。