timah (sn)
Post on 03-Apr-2018
260 Views
Preview:
TRANSCRIPT
-
7/28/2019 Timah (Sn)
1/18
-
7/28/2019 Timah (Sn)
2/18
-
7/28/2019 Timah (Sn)
3/18
-
7/28/2019 Timah (Sn)
4/18
-
7/28/2019 Timah (Sn)
5/18
Cassiterite
-
7/28/2019 Timah (Sn)
6/18
Stannite
http://belajarkimia.com/wp-content/uploads/2010/06/Stannite.jpg -
7/28/2019 Timah (Sn)
7/18
Cylindrite
http://belajarkimia.com/wp-content/uploads/2010/06/Cylindrit1.jpg -
7/28/2019 Timah (Sn)
8/18
Sifat Fisika
-
7/28/2019 Timah (Sn)
9/18
Sifat mekanik
Mechanical Properties Conditions
Phase Temp. (K)
Modulus of
Elasticity
41.369 GPa Solid 0
Poisson Ratio 0.36 Solid 0
Thermal Expansion
Coefficient
2.200 /K Solid 298.15
Yield strength 914
Ultimate strength 15200
http://www.efunda.com/units/convert_units.cfm?From=319&mrn=41.369http://www.efunda.com/units/convert_units.cfm?From=878&mrn=2.2http://www.efunda.com/units/convert_units.cfm?From=180&mrn=298.15http://www.efunda.com/units/convert_units.cfm?From=180&mrn=298.15http://www.efunda.com/units/convert_units.cfm?From=878&mrn=2.2http://www.efunda.com/units/convert_units.cfm?From=319&mrn=41.369http://www.efunda.com/units/convert_units.cfm?From=319&mrn=41.369 -
7/28/2019 Timah (Sn)
10/18
Sifat listrik dan thermal
Thermal Properties Conditions Temp. (K) Pressure (Pa)Melting Temperature 505.08 K 101325
Boiling Temperature 2875.15 K 101325
Critical Temperature 7700 K
Fusion Enthalpy : 59.2 J/g 101325
Heat Capacity : 228 J/kg-K
Thermal Conductivity : 66.6 W/m-K
http://www.efunda.com/units/convert_units.cfm?From=180&mrn=505.08http://www.efunda.com/units/convert_units.cfm?From=400&mrn=101325http://www.efunda.com/units/convert_units.cfm?From=180&mrn=2875.15http://www.efunda.com/units/convert_units.cfm?From=400&mrn=101325http://www.efunda.com/units/convert_units.cfm?From=180&mrn=7700http://www.efunda.com/units/convert_units.cfm?From=769&mrn=59.2http://www.efunda.com/units/convert_units.cfm?From=400&mrn=101325http://www.efunda.com/units/convert_units.cfm?From=886&mrn=228http://www.efunda.com/units/convert_units.cfm?From=245&mrn=66.6http://www.efunda.com/units/convert_units.cfm?From=245&mrn=66.6http://www.efunda.com/units/convert_units.cfm?From=245&mrn=66.6http://www.efunda.com/units/convert_units.cfm?From=245&mrn=66.6http://www.efunda.com/units/convert_units.cfm?From=886&mrn=228http://www.efunda.com/units/convert_units.cfm?From=886&mrn=228http://www.efunda.com/units/convert_units.cfm?From=886&mrn=228http://www.efunda.com/units/convert_units.cfm?From=400&mrn=101325http://www.efunda.com/units/convert_units.cfm?From=769&mrn=59.2http://www.efunda.com/units/convert_units.cfm?From=180&mrn=7700http://www.efunda.com/units/convert_units.cfm?From=400&mrn=101325http://www.efunda.com/units/convert_units.cfm?From=180&mrn=2875.15http://www.efunda.com/units/convert_units.cfm?From=400&mrn=101325http://www.efunda.com/units/convert_units.cfm?From=180&mrn=505.08 -
7/28/2019 Timah (Sn)
11/18
Sifat kimia
-
7/28/2019 Timah (Sn)
12/18
-
7/28/2019 Timah (Sn)
13/18
Pewter
http://translate.googleusercontent.com/translate_c?hl=id&prev=/search?q=tin&hl=id&biw=1366&bih=637&prmd=imvns&rurl=translate.google.co.id&sl=en&u=http://en.wikipedia.org/wiki/File:Pewterplate_exb.jpg&usg=ALkJrhiZ1xq4bC-MzJESbcP87I7XTyBCoA -
7/28/2019 Timah (Sn)
14/18
Bronze
Fosfor Bronze
Perunggu
-
7/28/2019 Timah (Sn)
15/18
Bijih timah yang biasa digunakan adalah bijih dengan kandungan 0,8-1% (persenberat) timah
Biji timah dihancurkan dan kemudian dipisahkan dari material-material yang tidakdiperlukan
Biji timah kemudian dikeringkan dan dilewatkan dalam alat pemisah magnetiksehingga kita dapat memisahkan biji timah dari impuritas yang berupa logam besi.
Biji timah yang keluar berupa Cassiterite
Cassiterite selanjutnya diletakkan dalam furnace bersama dengan karbon ,dipanaskan pada suhu 1400 C
Karbon bereaksi dengan CO2 yang ada didalam furnace membentuk CO, CO inikemudian bereaksi dengan cassiterite membentuk timah dan karbondioksida.
Logam timah dipisahkan, kemudian dielektrolisis untuk mendapatkan timahdengan kemurnian tinggi
-
7/28/2019 Timah (Sn)
16/18
Plating
Superkonduktor
-
7/28/2019 Timah (Sn)
17/18
Solder
http://translate.googleusercontent.com/translate_c?hl=id&prev=/search?q=tin&hl=id&biw=1366&bih=637&prmd=imvns&rurl=translate.google.co.id&sl=en&u=http://en.wikipedia.org/wiki/File:Ex_Lead_freesolder.jpg&usg=ALkJrhjUMb_4JJEjD0OVRavRRlbCowD1uQ -
7/28/2019 Timah (Sn)
18/18
TERIMA KASIH
top related