HCl的TLV-TWA

2008-10-20 9:35 pm
鹽酸(Hydrochloric Acid)(濃度30-40%)嘅 TLV-TWA 係5ppm,咁即係幾多嘅鹽酸先開始有害?

回答 (1)

2008-10-20 9:39 pm
✔ 最佳答案
60%嘅鹽酸(Hydrochloric Acid)先開始有害


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