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- It is proved that the improved ioditori method is suitable for it but the ammonium chloride method、ioditori method and sulphurous acid method will introduce great deviation. 实验先合成阻燃性树脂,分析阻燃树脂中甲醛含量,将树脂渗入木材中后,再分析木材中游离甲醛的含量。通过对多种方法的实验,确认了对阻燃性树脂,改进的碘量法较适合其中游离甲醛的分析测定,而亚硫酸钠法、氯化铵法以及盐酸羟铵法不适合;
- The structure and property of 2,3 epoxypropyl trimethyl ammonium chloride, and the method of synthesizing cationic starch based on ETA and cornstarch are introduced in brief. 对2,3环氧丙基三甲基氯化铵(ETA)的结构和性质及以ETA和玉米淀粉为原料合成阳离子淀粉的方法进行了简要介绍。
- Methyl trioctyl ammonium chloride (MTAC),a cationic-type surfactant,was... 超浓盐酸反胶束微水池中出现未电离的氯化氢分子。
- Ammonium chloride under thermal dissociation forms ammonia and hydrogen chloride gases. 氯化铵在热力分解作用下形成氨和氯化氢气体。
- A method for determining hydroxyl value of epoxy-containing polyester,namely acetyl chloride method is introduced. 介绍了一种含环氧基聚酯的羟值测定方法,即乙酰氯法。
- Ammonium chloride vaporizes on heating, and sublimes back to a solid on cooling. 氯化铵受热蒸发,升华,冷却还原为固体。
- The mixture of ammonia and hydrochloric gas can bring nitrogen and ammonium chloride, with white mist being. 把氨气和氯化氢气体混合产生氮气和氯化铵,并且有白雾产生。
- Blood-Determinatoin of cholinesterase activity-Spectrophotometric method-Hydroxylamine-ferric chloride method. 全血胆碱酯酶活性的分光光度测定方法羟胺三氯化铁法.
- Ingredients:Rose extract,cetearyl alcohol, dimethyl silicone oil, glycerol, octadecyl trimethyl ammonium chloride. 成分:玫瑰提取液,十六十八混合醇,二甲基硅油,甘油,十八烷基三甲基氯化铵。
- Ingredients:olive extract,cetearyl alcohol, dimethyl silicone oil, glycerol, octadecyl trimethyl ammonium chloride. 成分:橄榄提取液,十六十八混合醇,二甲基硅油,甘油,十八烷基三甲基氯化铵。
- The ammonium chloride is neutralized by vaporizing and thickening from mother liquors. 而吸附钼后剩下的母液蒸发、浓缩、结晶出氯化铵,可用作农用化肥。
- Results Their chemical structures were determined by IR, 1H NMR,MS and elemental analysis.Conclusion The acyl chloride method was feasible to th... 结果化合物的结构均经红外光谱、核磁共振氢谱、质谱及其元素分析确证。
- The effect of ammonium chloride (NH4Cl) on the growth of micro algae Dunaliella viridis was reported. 报道了氯化铵对绿色杜氏藻增殖的影响情况。
- The nitrification was decreased when the urea or ammonium sulfate was combined with ammonium chloride. 氯化铵与尿素或硫酸铵配合施用能明显降低其氮素的硝化作用。
- The method Taking thymol blue as the indicateis quicker,more accurate than barium chloride method,double color indicator method and coefficientrect method. 以百里酚兰为指示剂;分析可溶性硅酸盐体系中混合碱的方法;较之氯化钡法;双指示剂法及系数校正法快速、准确;相对误差在0.;2%25以下。
- Status Black powder, soluble in diluted acid, ammonium chloride, salvolatile, potassium cyanide solution, insoluble in water and alcohol. 性状黑色粉末,溶于稀酸、氯化铵、碳酸铵和氰化钾溶液,不溶于水和醇。
- Cationic mono-ester surfactants(CMESA)was prepared using glycidyl trimethyl ammonium chloride(GTMAC)and stearic acid as starting materials with a single step reaction. 以自制的失水甘油基三甲基氯化铵(GTMAC)和硬脂酸为原料,经一步反应合成阳离子单酯表面活性剂(CMESA)。
- K-Zn-Ti layered metal oxide (LMO) is exchanged with acetic acid and ammonium chloride aqueous solution. XRD, SEM. DTA and BET techniques are used for. 本文利用XRD,SEM,DTA及BET等现代仪器,研究了K-Zn-Ti层状金属氧化物(LMO)经HAC,NH4Cl交换前后的基本性能。
- Status: Black powder, soluble in diluted acid, ammonium chloride, salvolatile, potassium cyanide solution, insoluble in water and alcohol. 性状:黑色粉末,溶于稀酸、氯化铵、碳酸铵和氰化钾溶液,不溶于水和醇。
- Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied. 以 BTEAC(苄基三乙基氯化铵 )为相转移催化剂合成了异烟酸乙酯。