作者查詢 / patentstm
作者 patentstm 在 PTT [ Chemistry ] 看板的留言(推文), 共13則
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3F→: 操作的時候該開電風扇一避免吸到氫氧化鈉嗎 因為一打10/25 16:31
4F→: 開蓋子一定會聞到 不知道怎麼操作比較安全10/25 16:31
10F→: 我有一瓶濃度98的冰醋酸根600克的片鹼氫氧化鈉10/18 01:54
11F→: 雖然包裝沒有打開但是想放到比較安全的地方10/18 01:54
12F→: 回收也可以10/18 01:54
13F→: 還有一瓶濃硫酸10/18 01:55
14F→: 怕久了 瓶子會損壞10/18 01:55
17F→: 我在五股10/19 00:05
18F→: 氫氧化鈉原本是用兩層厚塑膠包裝 未拆封可以保持多10/19 00:05
19F→: 久呢10/19 00:05
20F→: 謝謝大家的回答10/19 00:07
21F→: 請問濃度98的冰醋酸1釋多少倍才可以安心的放到自然環10/19 00:07
22F→: 境中呢10/19 00:07
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