n. pyrosulfite
misc. metasulfite
该文实验研究了不同酸度条件下的焦亚硫酸盐溶液的染色效果，并测量了这些溶液的溶液电位随存放时间的变化。
This paper researches experimentally the colour results of metabisulfite with various acid valve, and measuring the relation between solution electric potential and store time.
通过除氧试验和空气氧化试验，研究了焦儿茶酚对亚硫酸盐自动氧化的阻滞作用。
The inhibition of pyrocatechol on sulfite oxidation was investigated by oxygen removal and air oxidation tests.
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