Tiêu chuẩn iso 01388 6 1981 scan
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I n tern ati on al St an d ard
I N TERN ATI ON AL
ORG AN I ZATI ON
FOR
S TAN D ARD l ZATI ON . M E ) ( ( CI YH AP O~ H AR
‘it
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Et h an ol
Part
Eth an ol
Fi rst
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for
6
ri
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u sag e
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I N TE RN ATI ON ALE
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wi th
6
1 3 881 6
0
Met h od s
Ess ai
de
of
test
-
wat er
mi sci bi l i tk
ri
Seau
1 981 - 1 1 - 01
66 1 . 72 2 : 543 . 862. 1
Descri ptors
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fl 0
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b
i n du stri al
produ cts,
Ref.
eth an ol s,
tests,
mi xt u res,
No.
I S0
1 3 8 8/6 - 1 9 8 1
( E)
water.
El
::
Pri ce based
on
2
pag es
Foreword
I S0
(the
I nternati onal
Organi zati on
nati onal
standards
i nsti tutes
nati onal
Standards
i s carri ed
body
i nterested
ri ght
to
and
be
Draft
I nternati onal
member
the
I S0
been
that
for
wi th
by
before
The
techni cal
al so
the
thei r
work
take
of
federati on
devel opi ng
commi ttees.
commi ttee
I nternati onal
I SO,
adopted
approval
I S0
a techni cal
commi ttee.
l i ai son
Standards
through
whi ch
i s a worl dwi de
bodi es) .
has
set
organi zati ons,
part
techni cal
i n the
member
up
has
the
governmental
work.
commi ttees
acceptance
of
I nter-
Every
been
are
as I nternati onal
Standard
and
was
I S0
1 3BW6
ci rcul ated
approved
by
the
to
was
the
devel oped
member
member
bodi es
by Techni cal
bodi es
of
the
in
ci rcul ated
to
Standards
by
I SO/TC
47,
Commi ttee
February
fol l owi ng
countri es
:
Germany,
Austri a
Hungary
South
Bel gi u m
I ndi a
Swi tzerl and
Brazi l
I tal y
Bul gari a
Korea,
Chi na
Netherl ands
Czechosl ovaki a
Phi l i ppi nes
France
Pol and
I nternati onal
mendati on
body
expressed
Standards
R 1 386- 1 970,
I nternati onal
I S0
of
Organi zati on
i n Swi tzerl and
di sapproval
1 386/l
whi ch
for
to
they
F. R.
1 980.
Austral i a
member
Pri nted
out
for
Standardi zati on)
member
Counci l .
Chemi stry,
I t has
in
bodi es
I nternati onal
0
on
non- governmental ,
the
No
i n a subj ect
represented
for
( I S0
Romani a
Afri ca,
Rep.
of
Thai l and
Rep.
of
I S0
of
Uni ted
Ki ngdom
U SSR
the
document.
1 3W1 2
consti tute
Standardi zati on,
cancel
a techni cal
1 981
0
and
repl ace
revi si on.
I S0
Recom-
I NTERNATI ONAL
Ethanol
Part
1
Thi s
for
i ndustri al
6 : Test
Scope
and
part of I S0
of eth an ol
for
fi el d
for
of
1 388 speci fi es
i ndustri al
Thi s docu men t
I S0
STANDARD
shou l d
u se
-
m i sci bi l i ty
Meth ods
wi th
a test for
mi sci bi l i ty
wi th
water
u se.
be read i n conj u ncti on
wi th
I S0
1 3881 1
( see th e an n ex) .
5. 1
-
Procedu re
Test
porti on
Take 5 ml of th e l aboratory
bet ween
5. 2
2
test
(E)
water
5
appl i cati on
of
1 388/6- 1 981
th e i nterested
sampl e or a di fferent
vol u me
ag reed
parti es.
Test
Pri nci pl e
Pl ace th e test porti on
Addi ti on
of water
an d exami n ati on
to a test porti on,
for
u n der speci fi ed
condi ti ons,
opal escen ce.
an d
di l ute
wi th
temperatu re
(5. I ) i n on e of th e Nessl er cyl i nders
water
to abou t
to th e
20 ‘?I .
1 00 ml
mark.
Mi x
(4. I ) ,
an d adj u st
Pl ace 1 00 ml of water
th e
i n the oth er
Nessl er cyl i nder.
3
Reagent
Exami n e
the cyl i nder
opal escen ce,
Du ri n g
th e test,
u se onl y
di sti l l ed
water
or water
of equ i val ent
puri ty.
4
ti on,
contai ni n g
agai nst
u si ng th e secon d
a bl ack
Nessl er cyl i nder
sol uti on
wi th
contai ni ng
verti cal l y
si de
for
i l l umi na-
water
as th e
standard.
Apparatus
6
Ordi n ary
l aboratory
apparatu s,
Expressi on
of
Two
matched
Nessl er
resul ts
an d
Report th e di l uti on-rati o
4. 1
th e test
backg rou n d
cyl i nders,
of capaci ty
1 00 ml .
absen ce
of th e test porti on
an d th e presen ce or
of opal escen ce.
1
IS0 1 388/6-1 981 (E)
IS0 Publications
Annex
relating to ethanol for industrial
use
IS0 1 388/I - General.
IS0 1 388/2 - Detection of alkalinity or determination
of acidity to phenolphthalein.
IS0 1 388/3 - Estimation of content of carbonyl compounds present in small amounts - Photometric method.
IS0 1 388/4 - Estimation of content of carbonyl compounds present in moderate amounts - Titrimetric method.
IS0 1 388/5 - Determination
of aldehydes content - Visual calorimetric method.
IS0 1 388/6 - Test for miscibility with water.
IS0 1 388/7 - Determination
of methanol content [methanol contents between 0,Ol and 0,20 % ( V/ VII - Photometric method.
IS0 1 388/8 - Determination
method.
of methanol content [methanol contents between 0,lO and I,50 % (V/
IS0 1 388/g - Determination
of esters content - Titrimetric method after saponification.
IS0 1 388/1 0 - Estimation of hydrocarbons content - Distillation method.
IS0 1 388/1 1 - Test for detection of furfural.
IS0 1 386/1 2 - Determination
2
of permanganate time.
v)l - Visual calorimetric
