FILTER PAPERS - quantitative
Quantitative papers are recommended for analytical and gravimetric analysis. Manufactured first from high quality 100% cotton fibres. They are further treated with dilute acid to remove any remaining organic or inorganic impurities. As the last step they are washed and cleaned with demineralised water. They guarantee low ash content around less than 0,01% and around 95% alpha-cellulose amount.
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