final report sim comparison in mass standards … · ments perfo of 200 m their assoc ted in figure...
TRANSCRIPT
AbstracThis repbetweenbeen cirother ancompar 1. GenThe preevaluateprovidecalibratcompari SIM.M SIM.M SIM.M 2. DatThe foll
InLALAINCECENRIN
INTI (A
1INTI, InCentro NLaborator(Canada)
S
Díaz
ct eport summan 7 NMIS. Frculated by tnd with the
rison has bee
neral Informesent compae the degree
e evidence sions deliverisons:
M.M-K1 foM.M-K5 forM.D-K3 for
ta of the parlowing SIM
nstitute ACOMET ATU
NTI ESMEC ENAM RC-INMS
NMETRO
Argentina)1 h
nstituto NacionNacional de Mrio Tecnológi, 7 INMETRO
SIM COM
Kornblit, F1; z,J.C.2; CentenJ.4; García, F.5
arizes the reFive standardthe NMIs. Thkey compar
en linked.
mation arison, nam
e of equivalesupporting red by them
r mass calibr mass calibrvolume dete
rticipant NMinstitutes ha
Country Costa Rica Uruguay Argentina Chile México Canada Brazil
has acted as t
nal de Tecnolo
Metrología (Méico del Urugu, Instituto Naci
FINAMPARISON
SIMLeiblich, J.1 ; B
no, L.M.2; Ram5; Leyton, F.5; C
esults of a ds with nomihe results reprison referen
med SIM.M.Mence in the cCMCs claim
m. It is part
ration of nomration of nomermination o
MIs and Tecave participa
TechniRamos, Santo, CKornbliGarcía, BecerraJacquesLoayza,
the pilot lab
ogía Industrialéxico); 3LACOuay (Uruguay)ional de Metro
AL REPORN IN MAS
M.M.M-K5Becerra, L.O.2
mos, O3; RodrígClaude J.6; Loa
SIM compainal values 2eported by thnce value of
M-K5, was calibration omed by theof a more g
minal value minal valuesof stainless s
chnical Conated in the co
ical Contact(O; Rodríguez,
C.; Cáceres, J. t, F; Leiblich, F.; Leyton, F. , L.O.; Peña, L, C. , V.M.; Cacais,
oratory
l (Argentina), OMET, Labora); 5CESMEC
ologia, Qualida
RT SS STAND5 ; Peña, L.M.2; guez, S.3; Santoayza, V.M.7; C
arison of m2 kg, 200 g, he participanf comparison
planned anf high accur
e participantgeneral proj
1 kg 2 kg, 200 gteel weights
ntacts omparison:
(s) , S.
J.
L.M.; Luján, L.
, F.A.
contact e-maiatorio Costarri
(Chile); 6NRade e Tecnolog
DARDS
Luján,L.2; o, C.4; Caceres
Cacais,F.A.7
ass standar50 g, 1 g an
nts are consin CCM.M-K
nd carried oracy mass stts in high ect which c
, 50 g, 1 g ans of 2 kg, 1 k
.; Díaz,J.C.; Ce
il: [email protected] de Met
RC, National Ria (Brazil)
,
rds carried nd 200 mg histent with ea
K5 to which
out in orderandards, andaccuracy m
comprises th
nd 200 mg kg, 200 g,1 g
enteno, L.M.
ob.ar, 2 CENAtrología; 4 LAResearch Cou
1/13
out ave ach this
r to d to
mass hree
g
AM, ATU, uncil
3. GenA set offor the 2012, oreferredin Table
The travwhich wto the claborato A protoinspectispecifie • The st • The in
achievlabora
• The C
in ordpartici
4. SchThe me
neral Considf five stainlecomparison
once measurd to 20 ºC, Ve 1.
veling standwere placed omparisonsSories was ma
ocol was agion in each ed. Particular
tandards wer
nstitutes appve uncertaintatory applied
CIPM-2007 fder to estimipants retrosp
hedule asurements
derations aness steel stann. The nominrements werV. These resu
Table 1Nominal
value 2 kg
200 g 50 g
1 g 200 mg
dards were pin a carryin
SIM.M.M-Kade by hand,
greed previocountry, sto
rly, the follo
re not washe
plied their owties as low a
d subdivision
formula [1] wmate buoyanpectively aft
followed the
nd Procedundards, madenal values ae finished, Cults and the
1. Data assocSerial
NumberId
1867 541865 541864 541863 54S/N 54
placed in indg transporta
K1 and SIM.M, by technica
ously to theore, handlingowing criteria
ed during the
wn method as possible, n methods w
was applied ncy effects.fter the circul
e schedule sh
re e by Massteand identificCENAM decorrespondin
iated to the st
dentification
4016155820440161556204401615552044016155420440140212102
dividual wooation case, joM.D-K3. In al staff of the
e comparisog and acclima were agree
e comparison
to measure according to
with different
by all the paThe buoyanlation of the
hown in Tab
ch and provcations are setermined thng standard
tandard weigh
V / cm3 u
251,051 25,1487 6,2624 0,1258 00,025 0 0
oden cases fointly with th
all the casee NMIs.
on. In it, insmatization oed:
n.
the mass ofo its capabilt weighing d
articipants toncy correctitransfer stan
ble 2.
vided by CENshown in Ta
he volume ouncertaintie
hts
uV / cm3
0,024 0,0024 0,0008 0,0005 0,0002
for transporthe standardss, the transp
structions toof the standa
f the standarlities. That mesigns.
o determine ions were andard.
NAM was uable 1. In Ju
of the standaes uV are sho
tation purposs correspondportation amo
o travel, iniards have b
rds, in ordermeans that e
the air densapplied by
2/13
used une ards own
ses, ding ong
itial een
r to ach
sity, the
5. StabThe drimeasurestandardobtainedare plot
It can bconside
bility of the ft of the staements perfod of 200 md their assoctted in Figure
2
be concludedered.
N° Institu
-- CENAM1 LACOM2 LATU 3 INTI / 4 CESME-- CENAM5 NRC /C6 INMET7 CENAM
standards andards of 2formed by Cmg was only
ciated unceres 1A to 1E
Table 3.
2 kg
200 g
50 g
1 g
200 mg
d that no sig
Table 2. M
ute / Country
M / Mexico MET / Costa / Uruguay Argentina EC / Chile M / Mexico Canada TRO/Brazil M / Mexico
kg, 200 g, CENAM, in y measured rtainties and(the uncerta
Stability of theDate
July 2009 June 2011 July 2012 July 2009 June 2011 July 2012 July 2009 June 2011 July 2012 July 2009 June 2011 July 2012 June 2011 July 2012
gnificant effe
Measurement sch
y DameJu
Rica OcJanApJuJunFeJanJu
50 g, and 1July 2009, in June 20
d normalizedainty bars in
e standard. Vale / mg 2,79 2,83 2,82
0,305 0,324 0,317 0,076 0,076 0,077 0,004 0,004 0,004
0,000 1-0,000 2
ects associat
hedule ates of the easurementsly 2009 ctober 2009 nuary 2010 pril 2010 ly 2010 ne 2011
ebruary 2011nuary 2012 ly 2012
1 g was evain June 20
011 and Julyd errors valuthem corresp
lues obtained bU (k=2
0,170,130,130,0140,0160,0140,0040,0060,0050,0010,0010,001
0,000 70,000 7
ted to drifts
s
luated from 11, and in Jy 2012.The
ues En are lipond to k =
by CENAM 2) En
-0,1 0,1 0,0 -0,4 0,3 0,1 0,0 0,0 0,1 0,0 0,0 0,0
7 0,2 7 -0,2
of the stand
three seriesJuly 2012. T
mass errorsted in Tabl2).
dard need to
3/13
s of The rs e le 3
o be
6. SummThe resfrom thU (for k
LACOLATUINTI CESMCENANRC INMENLRV
7. DataIn orderassumptstandardvalues o
while this 10,6. Followireferencwell as Then, fowere ca
mary of theults sent by eir nominal
k = 2).
Table 4. Mas
e/mg OMET 2,54 U 2,52
2,87 MEC 2,50 AM 2,82
2,66 TRO 2,77
V 2,73
a consistencyr to check thtions to empds, the sumsof the 2 stat
he corresponSo, the data
ing [2] the ce values of their associa
for each partalculated acc
D
e reported rthe participvalues. The
ss errors e as re2 kg
U/mg e0,84 00,68 00,20 00,30 00,13 00,11 00,22 00,07 0
y and comphe consistencploy the so-
s of squares ctistic:
N
2
nding criticala were consid
weighted avthe compari
ated uncertai
ticipant and cording to 1:
NLRVeD
esults pants are expey are shown
eported by the 200g
e/mg U/mg0,312 0,0200,315 0,0240,315 0,0180,315 0,0300,317 0,0140,317 0,0280,312 0,0220,315 0,008
utation of (cy of the res-called Proccorrespondin
Nominal value 2 kg 200 g 50 g 1 g
200 mg
l value for 6dered consisverages werison, called Ninties.
standard, de
DUV 2;
pressed as thn in Table 4,
participants, an
50 gg e/mg U0 0,080 04 0,071 08 0,077 00 0,074 04 0,077 08 0,073 02 0,070 08 0,073 0
non-linked)sults, 2 testscedure A weng to the wh
2obs
8,6 0,3 4,6 1,4 1,0
6 degrees of stent in all thre calculatedNLRV. They
egrees of eq
uuNLRV
;22
he mass erro, as well as t
nd the correspo
U/mg e/ µg0,022 3,20,006 4,40,010 4,30,010 4,30,005 4,20,014 3,40,006 3,80,0029 3,9
) reference vs as proposeere considerhole set of re
freedom andhe cases. d and estab
y are shown i
quivalence D
n UDE
or e of each the associate
onding uncerta1 g
g U/ µg e3,0 2,6 2,0 3,0 1,0 1,4 1,4 0,6
values ed in [2] werred valid. Foesults yielde
d significanc
blished as thin the last ro
D and norma
DU
standard, taked uncertain
ainties U 200 mg
e/ µg U/ µg-0,2 1,30,4 1,6-0,4 1,20,0 2,00,0 0,7-0,3 1,4-0,2 0,6-0,1 0,4
re applied. Tor the differd the follow
ce level =
he (non-linkow of table 3
alized errors
(1)
4/13
ken nties
g
The rent
wing
0,1
ked) 3, as
s En
)
being e,The valHere, N
LACOMLATU INTI CESMECENAMNRC INMETR
Bilateracalculat
Tablabo
Dij
LAINCECENRIN
,u the resultsues of D and
NLRV is repr
Tabl
2 k
D / mg
MET -0,19 -0,21 0,14
C -0,23 M 0,09
-0,07 RO 0,04
al differenceted according
ble 6A.1.2 kg soratory in the leij / mg LATU
NTI ESMEC ENAM RC
NMETRO
s reported byd their assocresented as t
le 5A. Degrees
kg
UD / mg D / m
0,84 -0,000,68 0,000,19 0,000,29 0,000,11 0,000,08 0,000,21 -0,00
Table 5B.Va LACOMETLATU INTI CESMEC CENAM NRC INMETRO
es between g to (2). The
ijD
standard. Bilateeft column and
LACOMET -0,020 0,336 -0,040 0,281 0,124 0,230
y the participciated uncerthe zero line
s of equivalenc
200 g
mg UD / mg D
03 0,018 00 0,023 00 0,016 00 0,029 02 0,012 02 0,027 03 0,021
lues of En resp2 kg 2
T -0,2 --0,3 0,8 -0,8 0,8 -0,9 0,2 -
pairs of pey are shown
ji xx
eral differencesd xj refers to the
LATU
0,356-0,0200,3010,1440,250
pant. D, UD aainties are pand their as
ce respect to the
50 g
D / mg UD / m
0,007 0,022-0,002 0,0060,004 0,0100,001 0,0100,003 0,0050,000 0,014-0,004 0,005
pect to the non-200 g 50 g-0,2 0,30,0 -0,40,0 0,40,0 0,10,2 0,70,1 0,0-0,1 -0,8
articipants an in Tables 6
22 i
iij
u
DE
s Di j= xi - xj, we result reporte
INTI
-0,376-0,055-0,212-0,106
and En are shplotted in figusociated unc
e non-linked re
1 g
mg D / µg UD
2 -0,7 6 0,5 0 0,4 0 0,4 5 0,2 4 -0,5 5 -0,1
-linked referen1 g 2-0,2 0,2 0,2 0,1 0,3 -0,4 -0,1
and bilatera6A and 6B.
2j
ij
u
D
where xi refers ted by the labor
CESMEC
0,3210,1640,270
hown in Tabures 2A to 2certainty as s
eference value
200
D / µg D / µg
2,9 -0,1 2,5 0,5 1,9 -0,3 2,9 0,1 0,8 0,1 1,3 -0,2 1,3 -0,1
nce value 200 mg
-0,1 0,4 -0,2 0,1 0,2 -0,1 -0,2
al normalize
to the result reratory in the top
CENAM
-0,157 -0,051
bles 5A and 2E. In each psolid pink lin
0 mg
UD / µg
1,2 1,5 1,1 2,0 0,6 1,4 0,5
ed errors w
(2)
ported by the p row.
NRC
0,106
5/13
5B. plot, nes.
were
Tabthe
LAINTCECENRINM
Tablabo
LAINTCECENRINM
Tablabo
LAINTCECENRINM
Tabthe
LAINTCECENRINM
Tab
LAINTCECENRINM
ble 6A.2.200 glaboratory in thDij / mg L
ATU TI
ESMEC ENAM RC METRO
ble 6A.3.50 g soratory in the leDij / mg L
ATU TI
ESMEC ENAM RC METRO
ble 6A.4.1 g storatory in the leDij / µg L
ATU TI
ESMEC ENAM RC METRO
ble 6A.5.200mlaboratory in thDij / µg L
ATU TI
ESMEC ENAM RC METRO
ble 6B.1.2 kg s L
ATU TI
ESMEC ENAM RC METRO
g standard. Bilahe left column
LACOMET 0,003 0 0,003 0 0,003 0 0,004 9 0,005 0 0,0000
standard. Bilateeft column and
LACOMET L-0,009 0 -0,003 0 0-0,006 0 0-0,003 5 0-0,006 7 0-0,010 5 -0
andard. Bilatereft column and
LACOMET 1,2 1,1 1,1 1,0 0,2 0,6
g standard. Bilhe left column
LACOMET 0,6 -0,2 0,2 0,2 -0,1 0,0
standard. BilateLACOMET
0,0 0,4 0,0 0,3 0,1 0,3
ateral differencand xj refers to
LATU
0,000 0 0,000 0 0,001 9 0,002 0 -0,0030
eral differencesd xj refers to theLATU
0,006 0 0,003 0 -0,005 5 -0,002 3 -0,001 5 -
ral differences d xj refers to the
LATU
-0,1-0,1-0,2-1,0-0,6
lateral differenand xj refers to
LATU
-0,8-0,4-0,4-0,7-0,6
eral normalizedLATU
0,50,00,40,20,3
ces Di j= xi - xj
o the result repINTI
0,000 0 0,001 9 0,002 0 -0,0030
s Di j= xi - xj, we result reporte
INTI
-0,003 0 -0,000 5 -0,003 7 -0,007 5
Di j= xi - xj, we result reporte
INTI
0,0-0,1-0,9-0,5
nces Di j= xi - xo the result rep
INTI
0,40,40,10,2
d errors Eij accoINTI
-1,0-0,2-0,9-0,4
j, where xi refeported by the la
CESMEC
0,001 9 0,002 0 -0,0030
where xi refers ted by the labor
CESMEC
0,002 5 -0,000 7 -0,004 5
where xi refers ted by the labor
CESMEC
-0,1-0,9-0,5
xj, where xi refeported by the la
CESMEC
0,0-0,3-0,2
ording to (2) CESMEC
1,00,50,7
ers to the resulaboratory in the
CENAM
0,000 1 -0,0049
to the result reratory in the top
CENAM
-0,003 2 -0,007 0
to the result repratory in the top
CENAM
-0,8 -0,4
ers to the resulaboratory in the
CENAM
-0,3 -0,2
CENAM
-0,9 -0,2
lt reported by e top row.
NRC
-0,0050
ported by the p row.
NRC
-0,003 8
ported by the p row.
NRC
0,4
lt reported by e top row.
NRC
0,1
NRC
0,4
6/13
Tab
LAINTCECENRINM
Tab
LAINTCECENRINM
Tab
LAINTCECENRINM
Tab
LAINTCECENRINM
8. LinkIn orderCENAMTheir dcorrespostandard7 corres
ble 6B.2.200 g L
ATU TI
ESMEC ENAM RC METRO
ble 6B.3. 50 g s L
ATU TI
ESMEC ENAM RC METRO
ble 6B.4. 1 g st L
ATU TI
ESMEC ENAM RC METRO
ble 6B.5. 200 m L
ATU TI
ESMEC ENAM RC METRO
k to CCM ker to demonstM, INMETRdegrees of eqonding expads (called JX
spond to ave
standard. BilatLACOMET
0,1 0,1 0,1 0,2 0,1 0,0
standard. BilatLACOMET
-0,4 -0,1 -0,2 -0,2 -0,3 -0,5
tandard. BilaterLACOMET
0,3 0,3 0,3 0,3 0,1 0,2
mg standard. BLACOMET
0,3 -0,1 0,1 0,2 0,0 0,0
ey comparistrate equivalRO and NRCquivalence oanded uncertX and JY) weerage values
teral normalizeLATU
0,00,00,10,1-0,1
teral normalizeLATU
0,50,30,70,1-0,2
ral normalizedLATU
0,00,0-0,1-0,3-0,2
ilateral normalLATU
-0,4-0,2-0,2-0,3-0,4
sons ence, the preC have partobtained in ttaintiesU0) a
ere measuredof the respe
ed errors Eij acINTI
0,00,10,1-0,1
ed errors Eij accINTI
-0,20,0-0,2-0,6
d errors Eij accoINTI
0,0-0,1-0,4-0,2
lized errors Eij
INTI
0,20,30,10,1
esent compaticipated in this compar
are shown ind for each noctive results
cording to (2)CESMEC
0,10,0-0,1
cording to (2) CESMEC
0,20,0-0,4
ording to (2) CESMEC
0,0-0,3-0,2
according to (CESMEC
0,0-0,1-0,1
arison was linK5 and act
rison (that isn table 7. In ominal value for JX and J
CENAM
0,0 -0,2
CENAM
-0,2 -0,9
CENAM
-0,4 -0,2
2) CENAM
-0,2 -0,2
nked to CCMted as linkins, the differeCCM.M.M
e. Then, the JY.
NRC
-0,1
NRC
-0,3
NRC
0,2
NRC
0,1
M.M.M.K5 [ng laboratorencesD0and .K5 sets of tentries in ta
7/13
[3]. ries. the
two able
CENAMINMETRNRC
The refvalues L
where hINMET
For the considevalue is
The val
Then, thNLRV-LEnL are
These runcertaiassociat
Table2 k
D0 /mg M 0,019 RO 0,028
-0,084
ference valuLRV) were c
he symbol e rTRO and NR
calculationered as non-s
ues of LRV
T
LRV /uLRV /m
he degrees LRV to the dnow calcula
results are inties are ploted uncertain
e 7. Degrees ofkg
U0 / mg D0 /0,134 0,01,201 0,00,079 0,0
es of the cualculated as
CwLRV
refers to maRC respective
jw
s in (3), the-correlated.
and their as
Table 8. Key c2 kg
/mg 2,765/mg 0,054
of equivalendifferences D
ated as:
shown in totted in figunty as the so
f equivalence o200 g
/ mg U0 / mg000 0,010 003 0,120 000 0,009
urrent comp:
C,C De 0
ss error, andely. The wei
1
0
2
,jj Deu
e results of tThe standar
LRVu
sociated unc
comparison refg 200 g5 0,3174 0,007
nce stated iD, obtaining
nLE
table 9A anures 3A to 3Elid pink line
of the linking la50 g
D0 / mg U0 /0,001 0,00,002 0,00,007 0,0
arison, linke
IC
,II
wwwDew
0
d the subscripights wj (for j
1
2
0
2
0 ,jj Uu
the linking lrd uncertain
IC www 1
certainties ar
ference values, g 50 g7 0,0737 0,003
n table 4 wg linked diff
222 LRVx
L
uu
D
nd 9B. TheE, where LRes.
aboratories in C1
/ mg D0 / µg006 -0,1 030 0,6 011 0,7
ed to CCM.
N
NNI
wew
pts C, I andj = C, I or N
40
laboratories nty associate
Nw
re shown in t
linked to CCMg 1 g38 0,0036 0,000
were correcteferences DL.
V
e values ofV is represen
CCM.M.M-K5 g
U0 / µg D0
1,7 -01,5 01,7 0
.M.M.K5 (li
N,D 0
N refer to CN) were calcu
in both comed to the li
table 8.
M.M.MK5 g 200 m34 0,000 6 0,00
ed by subtra. Linked nor
f DL and thnted as the z
5 200 mg
/ µg U0 / µg0,4 0,8 0,2 1,4 0,3 2,0
inked refere
ENAM, ulated as:
(3)
mparisons winked refere
mg 0 1 0 4
acting the termalized err
heir associazero line and
8/13
nce
were nce
erm rors
ated d its
LACOMLATU INTI CESMECENAMNRC INMETR
Figure
Figure
2,5
2,75
3
e / mg
0,065
0,075
0,085
e / mg
2DL / mg
MET -0,225 -0,245 0,111
C -0,265 M 0,056
-0,101 RO 0,005
1A.Stability o
1C. Stability o
July 2009
July 2009
Ta kg
UDL/mg D0,85 -0,69 -0,23 -0,32 -0,17 0,15 0,24 -
Table 9B. V LACOMELATU INTI CESMEC CENAM NRC INMETRO
of the 2 kg stan
of the 50 g stan
June 2011
June 2011
able 9A. Linke200 g
DL / mg UDL/m-0,005 0,02-0,002 0,02-0,002 0,02-0,002 0,030,000 0,020,000 0,03-0,005 0,02
Values of En re2 kg
ET -0,3-0,40,5-0,80,3-0,7
O 0,0
ndard
ndard
July 2012
July 2012
ed degrees of e
50mg DL / mg25 0,006 28 -0,003 23 0,003 33 0,000 21 0,003 32 0,000 27 -0,004
espect to the lin200 g 50 -0,2 0,3-0,1 -0,3-0,1 0,3-0,1 0,00,0 0,30,0 0,0-0,2 -0,5
Figu
Fig
0,2
0,3
0,3
e / m
‐0,
0,
0
e / m
equivalence 0 g
UDL/mg D0,023 0,010 0,012 0,012 0,009 0,016 0,009
nked referenceg 1 g
3 -0,13 0,33 0,40 0,33 0,50 0,05 0,2
ure 1B. Stabili
gure 1D. Stabil
8
2
6
July 2009
mg
,005
0
,005
0,01
July 2009
mg
1 g DL / µg UDL /
-0,2 3,21,0 2,90,9 2,30,9 3,20,7 1,60,0 1,80,4 1,8
e value 200 mg
-0,20,2-0,40,0-0,1-0,3-0,3
ity of the 200 g
lity of the 1 g s
June 2011
9 June 2011
200µg DL / µg
2 -0,3 9 0,3 3 -0,5 2 -0,1 6 -0,1 8 -0,4 8 -0,3
g standard
standard
July 2012
1 July 2012
9/13
0 mg UDL / µg
1,5 1,8 1,4 2,2 1,1 1,6 1,0
Figur
Figuruncer
Figuruncer
‐0,001
0
0,001
e / mg
(e -
NL
RV
) / m
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