Meaning of 過酸塩 in Japanese

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Definition of 過酸塩

さん(san) 【酸】

す(su) 【酢 ·醋 ·酸】

しお(shio) · えん(en) 【塩】

(n) salt (i.e. sodium chloride); common salt; table salt
このスープは塩が少し足りない。
This soup wants a bit of salt.
(chem) salt (e.g. sodium chloride, calcium sulfate, etc.)
hardship; toil; trouble
(food) saltiness

か(ka) 【過】

(pref) surplus- (attaches to start of Sino-Japanese words); excess-; over-
per- (chemical with more of a certain element than found in other compounds of the same constituents)