Effect of solid-state pretreatment with sodium hydroxide on the lignin structure of rice straw;
氢氧化钠固态预处理对稻草中木素结构特性的影响
Content measurement of sodium hydroxide and sodium carbonate in ion-exchange membrane caustic soda;
离子膜烧碱中氢氧化钠和碳酸钠含量的测定
Detection of mercury in sodium hydroxide as food additives;
食品添加剂氢氧化钠中汞含量的测定
Research on solution chemistry of Zn(NO_3)_2-NaOH-H_2O system;
硝酸锌-氢氧化钠-水体系的溶液化学
Based on the reaction of genistein and NaOH,which has the maximum absorption in 271 nm wavelength,ultra-violet spectrophotometry method was used for determination of isoflavones in Glycine max(L.
以染料木素为对照品,利用染料木素与氢氧化钠产生反应,在271 nm波长处有最大吸收峰,用紫外分光光度法测定大豆中总异黄酮的含量。
Sodium potassium tartrate - NaOH solution was used as masking agent to reject the disturbance of Ca2+ and Mg2+.
试验表明,入射光波长在390±10nm范围内,方法的灵敏度较高;用酒石酸钾钠-氢氧化钠溶液作为掩蔽剂,可排除土壤中钙、镁等金属离子对测定的干扰。
Determination of zinc by EDTA titrimetry after precipitation with sodium hydrate;
氢氧化钠沉淀分离EDTA滴定法测定锌
Preparing sodium diacetate by one step reaction based on acetic anhydride and sodium hydrate (with water as solvent) was studied.
以乙酸酐、氢氧化钠为原料,水为溶剂,采用一步合成法制备双乙酸钠。
Detection on metal ion in caustic soda with inductively coupled plasma spectrometry method;
电感耦合等离子光谱法测定氢氧化钠中金属离子
The new synthetic process of sodium diacetate using acetic acid and caustic soda(or soda ash ) as raw materials, and adopting a new process of one-step liquid-phase method is introduced.
介绍了以乙酸、氢氧化钠 (或纯碱 )为原料 ,采取一步液相法合成双乙酸钠的新工艺。
Preparation of Na_2S_2O_5 from dilute NaOH;
介绍了以二氧化硫烟气和稀氢氧化钠为原料,制备焦亚硫酸钠的实验方法和条件,产品经化学分析和X射线分析,Na_2S_2O_5 含量大于 96％。
caustic, caustic soda
烧碱,苛性钠,氢氧化钠
Sodium hydroxide for chemical fiber use
GB/T11212-1989化纤用氢氧化钠
Sodium hydroxide for industrial use--Determination of sodium hydroxide and sodium carbonate content
GB/T4348.1-1984工业用氢氧化钠中氢氧化钠和碳酸钠含量的测定
Preparation of magnesium hydroxide with light calcined powder and sodium hydroxide
轻烧粉-氢氧化钠法制备氢氧化镁的研究
Chemical reagent Sodium hydroxide
GB/T629-1997化学试剂氢氧化钠
Determination of Sodium Hydroxide and Tri-sodium Phosphate Content in Industrial Stove Water;
工业煮炉水中氢氧化钠和磷酸三钠的测定
causticaire method
氢氧化钠法（测棉纤维成熟度）
hot sodium hydroxide etching test
热氢氧化钠溶液腐蚀试验
Sodium hydroxide in various forms is the most widely used.
各种形式的氢氧化钠是最广泛使用的。
testing method for 1% NaOH solubility of pulp
纸浆的1%氢氧化钠溶解度测定法
Membrane process sodium hydroxide
GB/T11199-1989离子交换膜法氢氧化钠
causticaire scale
氢氧化钠法棉成熟度指数
METHODS Oxygen flasr combustion method was used. Hydrogen peroxide solution was used as the absorption liquid and then was titrated by sodium hydroxide.
方法采用氧瓶燃烧法,过氧化氢溶液为吸收液,用氢氧化钠滴定。
Dynamic Defluoridation Performance of Sodium Hydroxide Modified Activated Alumina
氢氧化钠改性活性氧化铝动态除氟效能研究
Defluoridation Performance of Sodium Hydroxide Modified Activated Alumina
氢氧化钠改性活性氧化铝除氟效能研究
Sodium hydroxide for chemical fiber use-Determination of sodium chloride content-Spectrometric method
GB/T11213.2-1989化纤用氢氧化钠中氯化钠含量的测定分光光度法
Preparation and application of adduct sodium sulphate-hydrogen peroxide-sodium chloride
硫酸钠-过氧化氢-氯化钠加合物的制备及应用
Improvement on analyzing soluble sodium in aluminium hydroxide
氢氧化铝(普氢、白氢、细氢)中可溶钠分析方法的试验