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BOE buffer oxide etching solution

BOE(Buffered Oxide Etch), buffered oxide etching solution. It is made by mixing hydrofluoric acid (49%) with water or ammonium fluoride with water.

Product Description

Specifications

Chinese name: Buffer oxide etching solution
Name: BOE

 

 

Basic information

BOE is buffer oxide etch, B .O.E buffer etching solution BOE is a mixture of HF and NH4F in different proportions. 6:1 BOE etching means that the components of 49% HF aqueous solution: 40% NH4F aqueous solution = 1:6 (volume ratio) are mixed. The etching rate is about 2nm per second. HF is the main etching solution, and NH4F is used as a buffer. The concentration of [H +] was fixed by NH4F so as to maintain a certain etching rate. HF will attack the glass and any silica containing material, the skin is strongly corrosive, accidentally splashed, the application of a large number of water rinse.

 

 

 

 

 

Application areas

 

 

 

 

Packaging, transportation and safety

If it is stored in large quantities, the following should be padded with wooden square for about 20cm, and a gap of more than 50cm should be left between the upper part and the roof to facilitate ventilation and moisture dissipation, and a corridor should be left between the stacks. To facilitate inspection and ventilation.

Avoid contact with skin and eyes.