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Lin mark this message contains true information
originally written by Lin
硼砂易溶於水,多用於玻璃、陶瓷、醫藥、肥料、紡織等工業領域,有研究顯示,硼砂的成人中毒劑量為1至3克,致死量為15克,而嬰兒的致死量僅為2至3克。

References

https://news.tvbs.com.tw/life/906657
誤食硼砂恐致命

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