Posts tagged with preservatives

Preservatives

Glycol experiment - squid

Specimens in museum collections are usually preserved in a 70 per cent aqueous solution of ethyl alcohol or in a 2-4 per cent solution of formaldehyde (5-10 per cent formalin). The great disadvantages of ethyl alcohol are that it is flammable, it volatilizes very readily, it tends to produce precipitates from sea-water, and it causes… Read more »