VALIDASI PERHITUNGAN LINGKUP VOLUME GLASSWARE (ERLENMEYER)
Koreksi
Volume : 200 mL
Massa = Massa isi- Massa kosong
1. Massa = 199,981 β 0,000 = 199,981 g 2. Massa = 199,978 β 0,000 = 199,978 g 3. Massa = 199,976 β 0,000 = 199,976 g 4. Massa = 199,979 - 0,000 = 199,979 g 5. Massa = 199,983 β 0,000 = 199,983 g Rata-rata UUT (π) =
β Xππ
=
199,981+199,978+199,976+199,979+199,983 5= 199,9794 g Standar deviasi = ββ(Xπβ πΜ )2
πβ1
= β
(199,981β199,9794)2+(199,978β199,9794)2+(199,976β199,9794)2+(199,979β199,9794)2+(199,983β199,9794)2 5β1= β
0,00000256+0,00000196+0,00001156+0,00000016+0,00001296 4= 0,00270185121722125920617468337149 mm
perhitungan benar
perhitungan salah/tidak sesuai
Suhu air terkoreksi = 19,8 Β°C Tekanan Udara terkoreksi = 1000 hPa Suhu udara terkoreksi = 20,6 Β°C
Faktor Z = (1 β (
π π’πππππ π΄π
) ) Γ (
1π πππβ π π’ππππ
) Γ { 1 β πΎ(π‘ β 20) }
= ( 1 β (
0,00118148)) Γ (
0,9982422 β 0,00118141) Γ {1 β (0,0000099 Γ (19,8 β 20))}
= 0,999852325 Γ 1,0029478643629355401395782483877 Γ 1,00000198
= 1,0028017395805787370238605308723 mL/g
V
20= π Γ πΉπππ‘ππ π
= 199,9794 Γ 1,0028017395805787370238605308723
= 200,53969020028038748278941464752 mL Koreksi = V
20β Volume uji
= 200,53969020028038748278941464752 - 200
= 0,53969020028038748278941464752 mL Volume : 400 mL
Massa = Massa isi- Massa kosong
1. Massa = 399,965 β 0,000 = 399,965 g
2. Massa = 399,963 β 0,000 = 399,963 g
3. Massa = 399,961 β 0,000 = 399,961 g
4. Massa = 399,964 - 0,000 = 399,964 g
5. Massa = 399,967 β 0,000 = 399,967 g
Rata-rata UUT (π) =
β Xππ
=
399,965+399,963+399,961+399,964+399,967 5= 399,964 g Standar deviasi = ββ(Xπβ πΜ )2
πβ1
= β
(399,965β399,964)2+(399,963β399,964)2+(399,961β399,964)2+(399,964β399,964)2+(399,967β399,964)2 5β1= β
0,000001+0,000001+0,000009+0+0,000009 4= 0,00223606797749978969640917366873 g Suhu air terkoreksi = 19,8 Β°C
Tekanan Udara terkoreksi = 1000 hPa Suhu udara terkoreksi = 20,6 Β°C
Faktor Z = (1 β (
π π’πππππ π΄π
) ) Γ (
1π πππβ π π’ππππ
) Γ { 1 β πΎ(π‘ β 20) }
= (1 β (
0,00118148
)) Γ (
10,9982422 β 0,0011814
) Γ {1 β (0,0000099 Γ (19,8 β 20))}
= 0,999852425 Γ 1,0029470596400463120834259387785 Γ 1,00000198
= 1,0028017395805787370238605308723 mL/g
V
20= π Γ πΉπππ‘ππ π
= 399,964 Γ 1,0028017395805787370238605308723
= 401,08459496960659397501135336981 mL Koreksi = V
20β Volume uji
= 401,08459496960659397501135336981 - 400
= 1,08459496960659397501135336981 mL Volume : 500 mL
Massa = Massa isi- Massa kosong
1. Massa = 499,951 β 0,000 = 499,951 g 2. Massa = 499,948 β 0,000 = 499,948 g 3. Massa = 499,945 β 0,000 = 499,945 g 4. Massa = 499,948 - 0,000 = 499,948 g 5. Massa = 499,953 β 0,000 = 499,953 g Rata-rata UUT (π) =
β Xππ
=
499,951+499,948+499,945+499,948+499,953 5= 499,949 g Standar deviasi = ββ(Xπβ πΜ )2
πβ1
= β
(499,951β499,949)2+(499,948β499,949)2+(499,945β499,949)2+(499,948β499,949)2+(499,953β499,949)2 5β1= β
0,000004+0,000001+0,000016+0,000001+0,000016 4= 0,00308220700148448822512509619073 g Suhu air terkoreksi = 19,8 Β°C
Tekanan Udara terkoreksi = 1000 hPa Suhu udara terkoreksi = 20,6 Β°C
Faktor Z = (1 β (
π π’πππππ π΄π
) ) Γ (
1π πππβ π π’ππππ
) Γ { 1 β πΎ(π‘ β 20) }
= ( 1 β (
0,00118148)) Γ (
10,9982422 β 0,0011814
) Γ {1 β (0,0000099 Γ (19,8 β 20))}
= 0,999852425 Γ 1,0029470596400463120834259387785 Γ 1,00000198
= 1,0028017395805787370238605308723 mL/g
V
20= π Γ πΉπππ‘ππ π
= 499,949 Γ 1,0028017395805787370238605308723
= 501,34972690157075899634204854908 mL Koreksi = V
20β Volume uji
= 501,34972690157075899634204854908 - 500
= 1,34972690157075899634204854908 mL
Ketidakpastian
Volume Uji : 200 mL Komponen Penyumbang
Ketidakpastian Satuan Distribusi U Pembagi Vi Ui
(U/Pembagi) Ci UiCi (UiCi)2 (UiCi)4/Vi
Massa air tertimbang U1 = standar deviasi; U2 = LoP
timbangan;
πΆ = {
(ππ΄πβππππππ)ππ΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
g Normal
0,002701851 2172212592 0617468337
149
β2
1000
0,0019113694 915775268105 9190248328
1,005753 8802985
3
0,001922367 2828383260 4487747009
791
3,69549597012 7208645344614 9878175 Γ 10-6
1,3656690465226 43897245654993
6813 Γ 10-14 g Rektangular 0,0002 2 Γ β3
Densitas udara
πΆ = βπ Γ {
(ππ΄πβππππππ)ππ΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
g/cm3 Rektangular 0,00011814 β3 1000
6,8208160802 062387819110 836928501 Γ
10-4
- 0,020718
5299341 514
- 1,413172821
3309417465 1119709768 28 Γ 10-6
1,99705742294 8453804117313 0608226 Γ 10-12
3,9882383505535 19502772793032
1712 Γ 10-27
Densitas aquades Nilai U sudah diasumsikan
SNSU
πΆ = ββπ Γ {
(ππ΄πβππππππ)ππ΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
g/cm3 Rektangular 0,00005 1 1000 0,00005 0,020718 5299341
514
0,000001035 9264967075
7
1,07314370658 0819038050095 3049 Γ 10-12
1,1516374149740 19026354219333
2686 Γ 10-27
Densitas massa acuan U = 10% Γ Ο AT πΆ = βπ Γ { (ππππππ)
ππ΄π2(ππππβππππππ)} Γ {1 β πΎ(20 β π‘)}
g/cm3 Rektangular 0,8 β3 1000 0,4618802153 517006116073 1902440157
- 0,000000
3813833 339743
- 1,761534164
2759924029 0099722609 59 Γ 10-7
3,103002611911 5189895052904 533333 Γ 10-14
9,6286252095297 08930652862618
2422 Γ 10-31
Pengaruh suhu
Β°C
Normal 0,5 2 60U1 = U95 termohigrometer ; U2 = selisih suhu awal dan
akhir;
πΆ = ββπ Γ { (ππ΄πβππππππ)
ππ΄π(ππππβππππππ)} Γ πΎ
Β°C
Rektangular 0,4 2 Γ β3 1000 0,2753785273 643051010302 9043854360,000000 2045109 818383
5,631793300 8459200084 5057744951 64 Γ 10-8
3,17170957834 5298327257139 1583332e-15
1,0041682858532 35338049322644
7137 Γ 10-32
Koefisien muai volume U = 0,1 Γ πΎ;
πΆ = βπ Γ { (ππ΄πβππππππ)
ππ΄π(ππππβππππππ)} Γ (20 β π‘)
/
Β°C
Rektangular 0,00000099 β3 10005,7157676649 772950686405 729269694 Γ
10-7
- 0,004131
5349866 3304
- 2,361489408
3319531034 3710253771 11 Γ 10-9
5,57663222566 3997939549084 9369108 Γ 10-18
3,1098826980314 19523948695132
0603 Γ 10-38
Meniskus mL Normal 0,0022 β5 4
9,8386991009 990746642003 641424176 Γ
10-4
1
9,838699100 9990746642 0036414241 76 Γ 10-4
0,000000968 2,34256 Γ 10-13
Sums,β(πππΆπ)2,β(πππΆπ)4
ππ ; mL 4,66349907453
5650504303609 3754755 Γ 10-6
2,4791269050510 99750883109538
939 Γ 10-13
Ketidakpastian baku gabungan, (Uc=ββ(πππΆπ)2); mL 0,0021595136199004743726260230
8222 Derajat kebebasan efektif, Veff = ππ
4
β(πππΆπ)4 ππ
; mL 87,725334164555785278395493222
743
Faktor cakupan, k-studentβs untuk Veff dan CL 95 % 1,9907582219451480715738681689
258
Ketidak pastian bentangan, U = k.uc; mL 0,0042990694942193986924915095
0156
Volume Uji : 400 mL Komponen Penyumbang
Ketidakpastian Satuan Distribusi U Pembagi Vi Ui
(U/Pembagi) Ci UiCi (UiCi)2 (UiCi)4/Vi
Massa air tertimbang g Normal 0,002236067
9774997896 β2 1000 0,001591296
3181731196
U1 = standar deviasi; U2 = LoP timbangan;
πΆ = {
(ππ΄πβππππππ)ππ΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
9640917366
873 0,0015821925
715074424319 4775925654
1,00575 3880298
53
2318021161
878 2,53222397223 1326361910406 8027822 Γ 10-6
6,4121582455429 971020236715302
684 Γ 10-15 g Rektangular 0,0002 2 Γ β3
Densitas udara
πΆ = βπ Γ {
(ππ΄πβππππππ)ππ΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
g/cm3 Rektangular 0,00011814 β3 1000
6,8208160802 062387819110 836928501 Γ
10-5
- 0,03620 7139690 71970
- 2,469622406
2073447291 9074482477 65 Γ 10-6
6,09903482924 1355213993923 1709162 Γ 10-12
3,7198225848299 126953677623566
858 Γ 10-26
Densitas aquades Nilai U sudah diasumsikan
SNSU
πΆ = ββπ Γ {
π (ππ΄πβππππππ)π΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
g/cm3 Rektangular 0,00005 1 1000 0,00005
0,03620 7139690 71970
0,000001810 3569845359
85
3,27739241145 8224632425759
920225 Γ 10-12
1,0741301018683 956786900869980
668 Γ 10-26
Densitas massa acuan U = 10% Γ Ο AT πΆ = βπ Γ { (ππππππ)
ππ΄π2(ππππβππππππ)} Γ {1 β πΎ(20 β π‘)}
g/cm3 Rektangular 0,8 β3 1000
0,4618802153 517006116073 1902440157
- 0,00000 0666495 14675
- 3,078409219
1175330199 5284846542 59 Γ 10-7
9,47660332034 7819425333333 3333333 Γ 10-14
8,9806010491227 315841869695899
306 Γ 10-30 Pengaruh suhu
U1 = U95 termohigrometer ; U2 = selisih suhu awal dan
akhir;
πΆ = ββπ Γ { (ππ΄πβππππππ)
ππ΄π(ππππβππππππ)} Γ πΎ
Β°C
Normal 0,5 2 600,2753785273 643051010302 904385436
0,00000 0357397 83234
9,841968875 2984016598 6305034161 11 Γ 10-8
9,68643513423 4248532232999 9999997 Γ 10-15
9,3658591599271 862409856026976
3 Γ 10-32
Β°C
Rektangular 0,4 2 Γ β3 1000Koefisien muai volume
U = 0,1 Γ πΎ /
Β°C
Rektangular 0,00000099 β3 1000 5,7157676649 772950686405- 0,00722
- 4,126874694
1688994537
1,70310947413 7164739945494 5060438 Γ 10-17
2,9005818808957 698122186500396
006 Γ 10-37
πΆ = βπ Γ { (ππ΄πβππππππ)
ππ΄π(ππππβππππππ)} Γ (20 β π‘)
729269694 Γ
10-7
0158229 06142
9892579250 48 Γ 10-9
meniskus mL Normal 0,0022 β5 4
9,8386991009 990746642003 641424176 Γ
10-4
1
9,838699100 9990746642 0036414241 76 Γ 10-4
0,000000968 2,34256 Γ 10-13
Sums,β(πππΆπ)2,β(πππΆπ)4
ππ ; mL 3,50023345312
8066493944067 6554311 Γ 10-6
2,4066815861753 600596029326603
589 Γ 10-13
Ketidakpastian baku gabungan, (Uc=ββ(πππΆπ)2); mL 0,0018708910853195240167713910
6634 Derajat kebebasan efektif, Veff = ππ
4
β(πππΆπ)4 ππ
; mL 50,906751839435594360191291614
814
Faktor cakupan, k-studentβs untuk Veff dan CL 95 % 2,0095479105685926259217991438
044
Ketidak pastian bentangan, U = k.uc; mL 0,00375964527140525604511326679
02
Volume Uji : 500 mL Komponen Penyumbang
Ketidakpastian Satuan Distribusi U Pembagi Vi Ui
(U/Pembagi) Ci UiCi (UiCi)2 (UiCi)4/Vi
Massa air tertimbang U1 = standar deviasi; U2 =
LoP timbangan;
πΆ = {
(ππ΄πβππππππ)ππ΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
g Normal
0,003082207 0014844882 2512509619
073
β2
1000 0,0021802140 567690442568 043658793
1,005753 8802985 300000
0,002192758 7474768658 2753997016
603
4,80819092463 6313438194727 1648354 Γ 10-6
2,3118699967755 00677309913898
8863 Γ 10-14 g Rektangular 0,0002 2 Γ β3
Densitas udara g/cm3 Rektangular 0,00011814 β3 1000
6,8208160802 062387819110 836928501 Γ
10-5
- 0,051293
4478952 697
- 3,498631742
1327642391
1,22404240670 5894092630320 6148937 Γ 10-11
1,4982798134143 57443547095498
0222 Γ 10-25
πΆ = βπ Γ {
(ππ΄πβππππππ)ππ΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
0716062521 67 Γ 10-6
Densitas aquades Nilai U sudah diasumsikan
SNSU
πΆ = ββπ Γ {
π (ππ΄πβππππππ)π΄π(ππππβππππππ)2
} Γ {1 β πΎ(20 β π‘)}
g/cm3 Rektangular 0,00005 1 1000 0,00005 0,051293 4478952
697
0,000002564 6723947634
85
6,57754449246 1869042049089 345225 Γ 10-12
4,3264091550315 46641132393104
4605 Γ 10-26
Densitas massa acuan U = 10% Γ Ο AT πΆ = βπ Γ { (ππππππ)
ππ΄π2(ππππβππππππ)} Γ {1 β πΎ(20 β π‘)}
g/cm3 Rektangular 0,8 β3 1000
0,4618802153 517006116073 1902440157
- 0,000000
9442014 578982
- 4,361079727
0941029433 6319224049 47 Γ 10-7
1,90190163860 7117540611334
912 Γ 10-13
3,6172298429364 38734263050489
1167 Γ 10-29 Pengaruh suhu
U1 = U95 termohigrometer ; U2 = selisih suhu awal dan
akhir;
πΆ = ββπ Γ { (ππ΄πβππππππ)
ππ΄π(ππππβππππππ)} Γ πΎ
Β°C
Normal 0,5 2 600,2753785273 643051010302 904385436
0,000000 5063135 958138
1,394278923 9973023594 8556047051 59 Γ 10-7
1,94401371790 3075249372384 1699999 Γ 10-14
3,7724051065242 21659911679541
1093 Γ 10-31
Β°C
Rektangular 0,4 2 Γ β3 1000 Koefisien muai volumeU = 0,1 Γ πΎ πΆ = βπ Γ { (ππ΄πβππππππ)
ππ΄π(ππππβππππππ)} Γ (20 β π‘)
/
Β°C
Rektangular 0,00000099 β3 10005,7157676649 772950686405 729269694 Γ
10-7
- 0,010228
5574911 870000
- 5,846405816
7487938372 6116455765
2 Γ 10-9
3,418046097411 4131146857952
1723 Γ 10-17
1,1683039124029 39139098205219
8124 Γ 10-36
meniskus mL Normal 0,0022 β5 4
9,8386991009 990746642003 641424176 Γ
10-4
1
9,838699100 9990746642 0036414241 76 Γ 10-4
0,000000968 2,34256 Γ 10-13
Sums,β(πππΆπ)2,β(πππΆπ)4
ππ ; mL 5,77620995226
9354459721316 2031351 Γ 10-6
2,5737470146607 81208285470063
2309 Γ 10-13
Ketidakpastian baku gabungan, (Uc=ββ(πππΆπ)2); mL 0,0024033747007633567206850023
6774 Derajat kebebasan efektif, Veff = ππ
4
β(πππΆπ)4 ππ
; mL 129,634347209113630728333214266
28
Faktor cakupan, k-studentβs untuk Veff dan CL 95 % 1,96
Ketidak pastian bentangan, U = k.uc; mL 0,0047106144134961791725426046
4077