Silkworm
A Treatise on the Acid Treatment of Silkworm Eggs - Central ...
A Treatise on the Acid Treatment of Silkworm Eggs - Central ...
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' Y;t;#ii:fl."nnt<br />
do not ser crurnbled, making their separarion difficutr durins rhe toose egs<br />
u 3:['."'"us<br />
emanation of acid fumes may affect the heatth of the technicians conducting the treat-<br />
6 Liberated fumes may damage the equipments and fixtures of the chamber.<br />
7 Acid treatment baths often go out of order and their maintenance is difficult.<br />
Cold acid treatment<br />
This is commonly referred to as Room temperature acid treatment methodas the treatment is<br />
performed at room temperature. since no heating of ".io<br />
lrln*lved, some authors have chosen to call<br />
i:T#3: '"ated acid treatment- tn tnis contexr, rJom tu*puritr* refers to a temperature range or 23oc<br />
The specific gravity of HCI required is 1.10 (as measured<br />
wilh<br />
at 15"c<br />
20"/"<br />
o,r<br />
concentration'<br />
1.0g6 specif ic gravity ln practice, at 25"c)<br />
tne soar