chemia mikroskopowe�dania spoiw0004

3. Place one drop of distilled water by ihe cement (gypsum plaster).

4. Place the covcr slip (covcr glass) at a 43 degree ćingk (apprr>xiniui:c]y)_ with one edge louehing ihe waLcr drop, and !et go.

5. Wipe olTlhe excess o i' walor from inicroscopic slide with a paper towel or biot ling

paper.

Vuu will to £jł>$crvD 6 specimens with transmilted lighl mkroscope:

1. Cement iii irrmiersion oil (400x)

Gvpsum plaster in immersion oil (40(JxJ

3. Gypsum plaster in water after 3 minutę (400x)

4. Cement in wat ci after 30 minutę (4U0x)

5. Gypsum plasler in waler a li er 30 minule (4(K)x) d, Cement in water after scvcral days (400x)

Cement in waLcr after scvera] days (40Qx")

Ca(Ol I):

____porH;:indite

Part 2.

You will ob.$crvc some sptcimtns of different materia]* w ith reflectcd light microscope:

1 - Cel kil ar eonerete (20x)

2 - Cement mortar (20x)

3 Ordinary conureLe wiLh gravd aggregale or erushed słone a gg rogate (20x)

4 • CotintKU) briek (2Q\)

3 - Clinkor briek (2tko

d - Aeidproof briek f?.0x)

7 - Ughtweight concrete (20x)