. Chemical analysis filter-paper: Used for scienarch, industry, agriculture, medicine & hygiene, university & college, scholastic experment, environmental protection test, etc.
Qualitative filter-paper: Chiefly used for qualitative chemical analysis and relevant filter superation, as well as manufacturing te***aper of relevant purity.
Quantitative filter-paper: Chiefly used for weight analysis test in quantitative chemical analysis, and relevant analysisexperiment
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