Tiêu chuẩn iso 01108 1992 scan

INTERNATIONAL STANDARD 1 1 08 Second edition 1 992 01 1 5 Spices and condiments Determination of non volati le ether extract Epices IXtermination de l ’extrait 6tt7& 6 non volati l Reference number IS[.]

Se o d e itio

19 2-01-15

Epices - IXtermin tio d lextrait 6t7&-6 n n v lati

Ref er en e n mber

ISO 1 0 : 19 2(E)

For ew or d

Intern tio al org nizatio s, g v rn-

work ISO cola orates closely with th Intern tio al Electrotech ical

b dies castin a v te

con iments

1 0 :19 0), of which it co stitutes a tech ical re isio

6 ISO 19 2

Al rig ts r es rv ed No p r t of his publcatio may be repr od c d or utW ze in an form

or by an mean , ele tr onie or me hanical in lu in ph to opyin a nd microfim, w ith ut

Permis io in w ritin fom t he publs er

Interna tio al Or gan atio f or Stan ar dizatio

Cas Po tale 5 l C -121 Ge ev e 2 l Sw itz rlan

Pr i te in Sw itz r lan

Spices and condiments - Deter mination of non-v olati e ether

extr act

T his Intern tio al Sta d rd sp cifies a meth d for

spices a d co dime ts

lt is a plca le to most spices a d co dime ts In

v iew of th numb r a d v riety of s ch pro u ts,

a le meth d

catio s for th spices a d co dime ts in questio

2 Nor mativ e r efer en es

throug refere ce in this text, co stitute pro isio s

of this Intern tio al Sta d rd At th time of publ-

re isters of c re tly v ld Intern tio al Sta d rds

ISO 9 8:19 0, Spices a d co dime ts - Sampln

ISO 2 2 :19 1, Spices an con iments - Pr ep r ation

of a gr ou d Sample for analy is

3 Definitio

For the pur poses of this Inter national Stan ar d, the

f olow in def i ition a ples

un er th co ditio s sp cifie in this Intern tio al

Sta d rd

4 Pr i ciple

Extractio of th material with diethyl eth r, remo al

of th v latie fractio s, remo al of th insoluble

weig in

gra e

folowin

6.3 Rotary e a orator

6.4 An lytical b la ce, ac urate to k 0,0 1 g

w ith ISO 9 8

8

Pr ep r e the test Sample u in the method sp cified

in ISO 2 2

9 Pro ed r e

9.1 Test Por tion

Weig , to th n arest 1 mg, a proximately 2 g of th

test Sample (clau e 8)

NOT E 1 This qua tity of test Portio is g n raly s f

ficie t Howe er, if it is n ces ary to u e a difere t

qua tity, this w il b sp cifie in th Intern tio al Sta -

d rd sp cific to th spie or co dime t co cern d

9.2 Deter mination

9.2.1 Extract th test Portio (9.1) with th diethyl

(6.1) for 18 h Elmin te th diethyl eth r by disti-

latio , u in th extractor flas co n cte to a rotary

e a orator (6.3), tak in care to rinse th extractor

flask in th o e (6.2) set at 1 0 “C, unti th difer-

n t more th n 2 mg

9.2.2 Mix, sh k in g ntly, th residue in th flask

with 2 ml to 3 ml of th diethyl eth r at la oratory

temp rature;

s p rn ta t solutio

ate th diethyl eth r as b fore, unti n more of th

residue dis olv s Dry th flask a ain as b fore unti

weig in s is n t more th n 2 mg

100

h - mJx -

10

?l x 10 -4

wh re

Q

is th mas , in grams, of th test p rtio ;

ml

is th mas , in grams, of th flask plu

residue o tain d afer dryin in 9.2.1;

m2

is th mas , in grams, of th flask a d th

insoluble residue o tain d in 9.2.3;

1I

ISO 9 9

in d tais n t sp cifie in this Intern tio al Sta -

d rd, or re ard d as o tio al to eth r with d tais

s lt

ary for th complete id ntificatio of th Sample

-

UDC 63 821.8 5 3.8

De criptors: agric ltural pr od cts, f oo pr od cts, s as nln s, spic s, Ch mical analy is, d ter minatio of c nte t, n n-v olatie

mater , eth r s

Pric b s d o 2 pa ge