-
8/18/2019 Hasil Pengamatan Spektro Kelas c
1/3
a. PiperinA B S
pp m
0 .0 0 .5 1 .0 1 .5 2 .0 2 .5 3 .0 3 .5 4 .0 4 .5 5 .0 5 .5 6
.0
0. 0
0. 5
1. 0
1. 5
2. 0
S td . C a l. P a ra me te rs
K 1 :
K 0 :
R :
R 2 :
5 2 . 4 3 3 0
-2 .8469
0 . 9 9 9 9
0 . 9 9 9 9
No. Std.
Name
WL1[370.0nm
]
ABS Conc(ppm
)
1 1 0.0736 0.0736 1
2 2 0.0921 0.0921 2
3 3 0.1115 0.1115 3
4 4 0.1307 0.1307 4
0 1 2 3 4 5
0
0.1
0.2
f(x) = 0.02x + 0.05
R² = 1
Kurva Baku Piperin
Konsentrasi
Absorbansi
Dik : persamaan = y = 0,019x + 0,054 as!ransi sampe" (y) =
0,#3#$
Di% : k!nsen%rasi sampe" = ....&Penye"esaian : persamaan = y
= 0,019x + 0,054
'%i%si ni"ai y,mena*i
0,#3#$ = 0,019x + 0,054 0,019x = 0,#3#$ 0,054 0,019x =
0,#4$
x =0,7846
0,019 = 41,29 ppm
-
8/18/2019 Hasil Pengamatan Spektro Kelas c
2/3
. -erse%inA B S
pp m
0 .0 0 .5 1 .0 1 .5 2 .0 2 .5 3 .0 3 .5 4 .0 4 .5 5 .0 5 .5 6
.0
0. 0
0. 1
0. 2
0. 3
0. 4
0. 5
0. 6
0. 7
0. 8
0. 9
1. 0
S td. C a l. P a rame ters
K 1:
K 0:
R :
R 2 :
1 5 3 . 4 8 4 1
- 5 . 2 8 9 3
0 . 9 9 1 1
0 . 9 8 2 3
No. Std.Name
WL1[375.0nm]
ABS Conc(ppm)
1 1 0.0419 0.0419 1
2 2 0.0471 0.0471 2
3 3 0.0526 0.0526 3
4 4 0.0614 0.0614 4
0.5 1 1.5 2 2.5 3 3.5 4 4.5
0
0.05
0.1
f(x) = 0.01x + 0.03
R² = 0.9#
Kurva Baku Kuersetin
Konsentrasi
Absorbansi
Dik : persamaan = y = 0,00$x + 0,034 as!ransi sampe" (y) =
1,#90$
Di% : k!nsen%rasi sampe" = ....&Penye"esaian : persamaan = y
= 0,00$x + 0,034
'%i%si ni"ai y,mena*i1,#90$ = 0,00$x + 0,034 0,00$x =
1,#90$ 0,0340,00$x = 1,#5$$
x =1,8566
0,006 = 309,43 ppm
-
8/18/2019 Hasil Pengamatan Spektro Kelas c
3/3
. -rkminA B S
p pm
0 .0 0 .5 1 . 0 1 .5 2 . 0 2 .5 3 .0 3 . 5 4 . 0 4 . 5 5 .0
0. 0
0. 5
1. 0
1. 5
S td . C al. P a ra me te rs
K 1 :
K 0 :
R :
R 2 :
2 9 . 3 3 6 9
-1 .77 22
0 . 9 9 8 6
0 . 9 9 7 2
No. Std.
Name
WL1[424.0nm
]
ABS Conc(ppm
)
1 1 0.093 0.093 1
2 2 0.1297 0.1297 2
3 3 0.1654 0.1654 3
4 4 0.1944 0.1944 4
0.5 1 1.5 2 2.5 3 3.5 4 4.5
0
0.2
0.4
f(x) = 0.03x + 0.0$
R² = 1
Kurva Baku Kurkumin
Konsentrasi
Absorbansi
Dik : persamaan = y = 0,034x + 0,0$0 as!ransi sampe" (y) =
0,#221
Di% : k!nsen%rasi sampe" = ....&Penye"esaian : persamaan = y
= 0,034x + 0,0$0
'%i%si ni"ai y,mena*i0,#221 = 0,034x + 0,0$0 0,034x =
0,#221 0,0$0 0,034x = 0,$21
x =0,7621
0,034 = 22,41 ppm
