Effect of solid-state pretreatment with sodium hydroxide on the lignin structure of rice straw;

Content measurement of sodium hydroxide and sodium carbonate in ion-exchange membrane caustic soda;

Detection of mercury in sodium hydroxide as food additives;

Detection on metal ion in caustic soda with inductively coupled plasma spectrometry method;

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.

Experiences on the determination of potassium oxide and sodium oxide in coal ash by flame photometric method;

Determination of potassium oxide,sodium oxide,and zinc oxide in blast furnace burden by inductively coupled plasma-atomic emission spectrometry

In the selected experiment conditions,potassium oxide and sodium oxide concentrations over the range of ≤20 μg/mL and ≤10 μg/mL,respectively are linear with the absorbance.

A new technology process for synthesis of lauroyl peroxide with lauroyl chloride and sodium peroxide was developed;The effects of different factors on the yield, such as reaction temperature, concentration of reaction, pH value of reactant, method of the reactant dropped into the reactor, choice of surfactant, were discussed, the optimum process conditions were obtained.

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

Determination of zinc by EDTA titrimetry after precipitation with sodium hydrate;

Preparing sodium diacetate by one step reaction based on acetic anhydride and sodium hydrate (with water as solvent) was studied.