ISO-1391-5-1981.pdf
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1、International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATlON*MEW,lYHAPO i, i ; $ P .f, :“(I” $4Fg;f; Paraformaldehyde for industrial use - Methods of test - Determination of aldehyde content - Titrimetric method ParaformaldtShyde r) usage industriel - Mbthodes d essai - Dosage de l ald.Ghyd
2、e - AMhode titrimktrique First edition - 1981-05-15 ,: I ! i! p The aldehyde content, expressed as a percentage by mass of formaldehyde (HCHO), is given by the formula 100 v x 0,030 03 x - = 3,003 x v m m where m is the mass, in grams, of the test portion (6.1); 0,030 03 is the mass, in grams, of fo
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- ISO 1391 1981
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