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sulphuric acid 硫酸。

sulphuricanhydride

Aerospace series - chromic - sulphuric acid pickle of aluminium and aluminium alloys ; german version en 2334 : 1997 航空航天系列.鋁和鋁合金鉻硫酸酸洗

Textiles . tests for colour fastness . part x02 : colour fastness to carbonizing : sulphuric acid 紡織品.色牢度試驗.第x02部分:耐碳化色牢度.硫酸法

Chemical analysis of sulphuric acid and oleums . determination of nitrous nitrogen and nitric nitrogen 硫酸和發煙硫酸的化學分析.硝態氮的測定