Cupric sulfate in glass bowl isolated on white background. Bright blue copper sulfate CuSO4 also blue vitriol or bluestone. Salt used in swimming pools fireworks and in schools to grow crystals.
ID: 1009998979
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- 大图:3449 × 3449 像素·29.2 cm × 29.2 cm·300dpi·JPG
- 中图:1000 × 1000 像素·35.28 cm × 35.28 cm·72dpi·JPG
- 小图:500 × 500 像素·17.64 cm × 17.64 cm·72dpi·JPG