What are the basic quality requirements for medical gauze?
The basic quality requirements for medical gauze include:
1, Whiteness: the whiteness of medical gauze should not be less than 80 degrees;
2, the latitude and longitude density: the density (root /10cm) x weft density should be an explicit nominal value of 5%;
3, water soluble in 100ml solution for the remaining residues should be not greater than 0.3%;
4, pH: add phenolphthalein in 100ml in the test solution may not be shown in pink, with bromocresol purple or yellow;
5, water absorption time: it should sink below the liquid level within 10 seconds.
6, ether: the 100ml test solution in the remaining residues should be not greater than 0.5%;
7, for the solution of surfactant: surfactant (foam) height shall not exceed 2mm.
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