| alum |
A very sticky substance added to water during treatment that causes particles in the water to stick together.
출처: www.sbwater.org/Terms.htm
|
|---|---|
| alum |
In the papermaking context, alumina sulfate: A1 2 (SO 4 ) 3 ?14H 2 0, A1 2 (SO 4 )3 ?18H 2 0, or a mixture of these hydrates. The increasing use of alum in papermaking since the 17th century (especially since the introduction of alum-rosin sizing in the mid-1800s, and the substitution of aluminum sulfate for the milder potassium aluminum sulfate about the same time, has been seen as the principal cause of deterioration of books since 1850. [1]
출처: palimpsest.stanford.edu/byorg/abbey/ap/ap01/ap01-2...
|
| aluminum |
A lightweight, silver-colored, easily worked metal used in sculpture and architecture since about 1930. Aluminum is not an alloy. The melting point of aluminum is 1200 degrees F.
출처: www.svsu.edu/mfsm/educational/glosstrmhs.html
|
| alum |
Aluminum sulfate (an acid salt) used in the paper making process.
출처: www.davegroth.com/terms/A.shtml
|
| alum |
Aluminum Sulfate (Al2SO4), which is used to cause suspended solids in water to be coagulated and subsequently filtered or vacuumed out.
출처: www.mypool.com/Help_files/Chemistry/Glossary.htm
|