Foreword IS0 the Interna tional O rga niza tion f or S ta nda rdization is a worldwide fed- a nd non-governmental, in la ison with ISO , also ta e pa rt in the work.. IS0 c ola borates c
Trang 1STA NDA RD
19 7-0 -01
Huie es entiele de ca nneler, typ Chine (Cin amomum a roma tic rn
Trang 2Foreword
IS0 (the Interna tional O rga niza tion f or S ta nda rdization) is a worldwide fed-
a nd non-governmental, in la ison with ISO , also ta e pa rt in the work IS0
c ola borates c losely with the Interna tiona l Elec trotec hnic al Commis ion
(IEC ) on a ll maters of elec trotec hnical sta nda rdiza tion
c ircula ted to the memb r b dies f or votin Publcation as an Interna tiona l
Stan ard req ires a pprova l by a t lea st 7 % of the memb r b dies c astin
a vote
lSO/ T C 5 , Es ential ois
T his sec on edition c anc els an re lac es the first edition (IS0 3 16:19 4)
whic h has b en tec hnic aly revised
Annexes A an B of this Interna tional Stan ard a re for information only
0 IS0 197
All rig ts re erved Unle s oth rwis spec ifie , n pa rt of this publc atio may be
repro uc ed or utiz d in an form or by an mean , elec tro ic or mec hanic al inc lu in
ph toc opyin a nd microfim, with ut permisio in writin fom th publser
Interna tio a l O rganizatio f or Stan ardizatio
Cas Po tale 5 l C H-121 Ge eve 2 l Switz rlan
Intern t c entalQis c h
x 40
c=c ; a 40 n t; p is ; o=is c ; s=c ental
Printe in Switz rlan
Trang 3O il of c assia, Chinese type (Cinnamomum arornafkurn
rela tive den ity at 2 “C (R eferenc e method)
T his Interna tiona l Stan ard sp c ifies certa in charac -
teristic s of the oi of c as ia, C hinese ty pe (Cin amomum
Blume) in order to fa cilta te as es ment of its q a lity
refra ctive in ex
IS0 8 5:19 1, Es ential ois - Evaluation of misc i-
bi ty in etha nol
IS0 12 2:19 3, Es ential ois - Determination of the
ac id value
throu h referenc e in this tex t, con titute provision
agre ments b sed on this Interna tiona l Stan ard a re
enc ouraged to in estigate the p s ibi ty of a ply in
curently vald Interna tiona l Stan ard
IS0 1 0 4-I :- 31, Es ential ois - Genera/ g idanc e
c hromatogra hic profies f or presenta tion in sta n-
dard
on c hromatogra hic profies - Part 2: Uti za tion of
ois
IS0 1 0 5:- 3) O il of c as ia, C hinese ty pe - Deter
c hromatogra hic method on ca pi a ry c olumn
3 Definitio
IS0 212:19 3, Es ential ois - Sampln
For the purp ses of this Interna tiona l Stan ard, the
1) T o b publsh d (R ev isio of IS0 210:19 1)
2) T o b publsh d (R ev isio of IS0 21 : 9 1)
3) T o b publsh d
Trang 43.1 oi of c as ia, Chinese ty pe: Es ential oi
o tained by ste m disti a tion of the le v es, lea f
mainly growin in the South of C hina
Mo ie lq id
4.2 C olo r
C ha rac teristic, resembln odour of c in amaldehy de
4.4 R elativ e den ity at 2 “C / 20 “C
Minimum: 1,0 2
Minimum: 1,6 0 0
2 “C s a ll b req ired to give a cle r solution with
1 v olume of es ential oi
4.7 Ac id v alue
c in amaldehy de
Analy sis of the es ential oi s a ll b ca rried out by
s own in ta le 1 s a ll b identified T he pro ortion
of these c omp nents, in ic a ted by the integra tor,
s a ll b as s own in ta ble 1 T his c on titutes the
c hromatogra hic profie of the es entia l oi
T able 1 - Chromato ra hic profie
Comp n nt
Van -C in amaldehy de
-
0,5
C oumarin
1,5
4
O -Methoxy c in amy l ac etate
-
2
Ben aldehy de
0,5
2
-
O ,l
Salc y lic aldehy de
0
1
Pheny lethy l alc ohol
-
0,5
C in amy l ac etate
-
6
C in amic a lcohol
-
1
Sty rene
-
0,15
Pheny lethy l aldehy de
-
0,7
c is-C in amaldehy de
-
a 7
NOT - T he c hromatogra hic prof ile is normative, c on-
tra ry to ty pic a l c hromatograms given f or informa tion in
an ex A
Information on the fla shp int is given in an ex B
NOT - T his v olume alows e c h of the tests sp c ified
in this Interna tiona l Stan ard to b ca rried out a t le st
onc e
Trang 56 T est meth ds
2 9
6.2 R efra c tiv e in ex a t 2 “C
6.4 Acid v alue
Test p ortion: ‘I2 g to I5 g
R ela tiv e
M, = 13 ,2
c lumn
storage
Trang 6Annex A
Pe k identifica tion
O pera tin c on ition
Column: fu e si c a c api ary ; le gth 5 m; diameter
2 Salc y lic ald hyd
3 Aceto h n n
4 Ph nylethyl alc oh l
5 tra sCin amald hyd
6 Cin amic alc oh l
7 Eu e ol
8 Coumarin
9 Cin amyl acetate
10 cis-0meth x cin amald hyd
4
Statio ary p ase: p ly dimethyl sioxa e (OV 101)
Ov n temp rature: from 10 “C to 2 0 “C at a rate
of 3 Wmin
Injec tor temp rature: 2 0 “C
Detector temp rature: 2 0 “C
Detector: flame io izatio
C arier gas: nitroge
C arier gas flow rate: n t k nown
V olume injecte : a out 0.2 ~1
Splt ra tio: l/l 0
4
Trang 7Pe k id ntifica tio
2 Aceto h n n
3 S a lic ylc ald hyd
4 Ph nylethyl a lco ol
5 tra s-Cin am ald hyd
6 Cin am yl acetate
7 Eu e ol
8 Cin amic alco ol
9 Vans-O -M eth x cin amald hyd
10 Coumarin
1 O -M eth x cin am yl a cetate
Colum n: fu e si c a c a pi a ry; le gth 5 m; diam eter 0,2 mm
Sta tio a ry p ase: p lyethyle e gly ol 2 0 0 (CWA X 2 M)
Ov n tem perature: 5 “C for 3 m in, th n up to 19 “C a t a ra te of I4 “Urnin
Injec tor tem perature: 2 0 “C
Detector tem perature: 2 0 “C
D etector: flam e io iza tio
C a rrier gas: hydroge
Injecte v lum e: n t k own
C a rrier gas flow ra te: 1 m l/m in
C hart sp e : 0,2 cm /m in
6
8
9
0
1
Fig re A.2 -Ty pic a l c rom atogram ta en on a p la r colum n
Trang 8Annex B
servic es, etc req ire information a out the fla sh-
p int of es entia l ois, whic h in most cases a re
sta ndardiza tion purp ses, given tha t
-
es entia l ois a re varied an their c hemic al c om-
p sition diff er to a la rge ex tent
-
price of es ential ois;
-
satisfy the desired o jec tive, but u ers c an ot
b o lged to u e one ty pe of eq ipment ra ther
than another
C on eq ently , it was dec ided to give a me n value
interested pa rties
o tained s ould b sp c ified
For further information, se ISO/ T R 1 018 4)
NOT - T he lower value was o ta ined with “L uc haire”
4) lSO/T R 1 018:19 7, Es e tial ois.- Ge eral g id nce o th d termin tio of flash oint
6
Trang 9K S 71.10 60
De c riptors: fuit a nd veg ta le pro uc ts, e s ntial ois, c in amo ,
casia, spec ific atio s, c harac teristic s, c emical c mpo itio ,