Materials used to make utensils.Glass is a material used as much as possible. Because the material is solid, transparent, and corrosion of chemicals, generally well, strong alkali concentration and acid HF can bite the glass, so these substances should not be packed in containers. Glass, glass containers of different kinds of popular do laboratory was the most glass mixed with boron (borosilicate glass; 60-80%, B2O3 1-4% SiO2 10-25%, Al2O3).
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