Tiêu chuẩn iso 01619 1976 scan

I NTERNATI ONAL STANDARD 1 61 9 I NTERNATI ONAL ORGANI ZATI ON FOR STANDARDI ZATI ON MEYl i YHAPOfl HAR OPrAHbi 3ALl HR I l O CTAHI I APTH3ALWi i 4 ORGANI SATI ON I NTERNATI ONALE DE NORMALl SATl ON C[.]

INT ERA T IO NAL ORGA NIZA TION FOR ST A NDARDIZA T ION MEY liY HAOflHR OrA Hbi3ALlH IO CTAIATH3ALWi4.O GA NISA TIO INTR ATIO AL DE N RMALlSTlO

Cry lth , naturele et artific iele - Prepa ra tio et c n erv a tio d s k anti o s po r e sa i

F ir st editio - 197 -0 -15

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R ef No IS0 1619-197 (E)

Desc rip tors : aluminium ores, c ry olte, sa mples, prea ra tion, test spcimen , stora ge, cemica l a na ly sis

IS0 (h Interna tio a l O rga niza tio for Sta nd rdiza tio ) is a worldwid fe era tio

of na tio a l sta d rds institutes (IS 0 Memb r B odies) T he work of d v lo in

interna tio a l Sta d rds is ca rrie out throug IS0 Tech ical Comm ite s Ev ry

Memb r Bo y intereste in a s bject for which a Tech ical Com ite h s b e set

up h s th rig t to b re rese te o tha t Com m ite Interna tio a l orga nizatio s,

g v rnm ental a d n n-g v ernm ental in la iso with ISO , a lso take pa rt in th work

D ra ft Interna tio a l Sta d rds a o te by th Tech ical Com mite s are circ la te

to th Memb r Bo ies for a pro al b fore th ir ac e ta ce as Interna tio a l

Sta d rds by th IS0 C ounci

P rior to 19 2, th res lts of th work of th Tech ical Com ite s were publsh d

tra sform ed into Interna tio a l Sta d rds As pa rt of this proces , Tech ical

tech ica lly s ita ble for tra nsform a tio Interna tio a l Sta d rd IS0 1619 th refore

re laces IS0 Recom e d tio R 1619-l 9 0

folowin countries :

Au tra lia

Au tria

Belgium

B ra zi

Ca a a

Czech slo ak ia

Egypt, Ara Re of

F ra ce

Germa y

Gre ce

Hun ary

In ia

Ira n

Isra el

Ita ly

Neth rla ds

New Z eala d

Norway

Pola d

Portug l

Roma ia

South Africa , Re of

Sp in

Swed n

Switzerla nd

Turk ey

U.S.S.R

Yug sla ia

No Memb r Bo y expres e disa prov a l of th Recom e d tio

Interna tio a l Sta d rd

o Interna tiona l Orga niza tion for S ta nda rdiza tion, 196 l

C ry ol te, natural and a rtific ia l - Preparation and storage

This Interna tio a l Sta ndard spe ifie th proc ed re f or th

p repa ra tio a nd storag of te t sample , ie c ru e sample

and drie sample , of na tura l a nd arific i c ryolte, a nd of

natura l a nd sy nth tic materials havin a molar ra tio

(Na / AI F a) betwe n 3 a nd I7 a prox imately

IS0 C ry olte, na tura l a nd a rtific ial - Sampln )

3.1 L a boratory sample

F or th prepa ra tio of th la bora tory sample, u e th

meth d spec ifie in IS0

g ometic c harac teristic s, f or c erain phy sical a nd phy sic -

c hemical te ts a nd for moisture d terminatio

T ak aprox imately 3 0 g of th la ora tory sample a nd

plac e it in a n a irig t c onta in r of s c a c ap city that it is

n arly fi e by th sample

3.3 Drie sample, f or c emical te ts, f or th d terminatio

of c erain g ometic c harac teristic s a nd f or phy sical a nd

ph sic -c hemic al te ts

3.3.1 Princ iple

p s e thro g a sieve of me h aperure 0,12 m

3.3.2 Ap aratu

O rdinary la boratory a pa ra tu a nd

3.3.2.1 Sieve, of me h a perure 0,12 m , mad of a

material tha t c an ot c au e into uc tio of th impurity to

b e d termin d

T he siev e s al be s lec te in rela tio to th impurity to be

d termin d

3.3.2 2 Morar, of c ru d m or a ga te

3.3.2.3 Ele tic o e , c apble of bein c ontole a t

1 0 2c

3.3.3 Proc ed re

Siev e a prox imately 10 g of th la boratory sample u in

th sieve (3.3.2.1)

(3.3.2.2) a nd siev e a ga in Add th s siev in s to th material

c arefuly

th material is p se thro g th siev e

Plac th sample th s prepa re in a platin m dis a nd dry

for a t least 2 h in th oven (3.3.2.3) c ontole a t

1 0 + 2 ‘C R emov e th dis fom th oven a nd alow to

c ool in a d sic c ator

Ke p th drie sample in a n airig t c ontain r, th c ap c ity

of whic is s c tha t th sample fis it almo t c ompletely

The c ontain rs sal bea r a la bel in ic atin :

a)

th name of th pro uc t;

b) th origin of th pro uc t;

c)

th na ture of th sample (c ru e or drie );

d)

th ty pe of siev e u e ;

e) th da te of prepa ra tio

1) In prepa ra tio

A N X

IS0 1619 - Pre aratio a d stora e of test samples

IS0 16 0 - Determin tio of si c a co te t - Re u e molyb osi cate sp ctro h tometric meth d

IS0 16 3 - Determin tio of fluorin co te t - Mo ifie Wi ard-Winter meth d

IS0 16 4 - Determin tio of iro co te t - l O -Ph n nthroln p otometric meth d

IS0 2 6 - Determin tio of so ium co te t - Flame emis io a d atomic a sorptio sp ctro h tometric meth ds

IS0 2 6 - Determin tio of aluminium co te t - 8-Hydrox quin ln grav imetric meth d

IS0 3 91 - Determin tio of calcium co te t - Flame atomic a sorptio meth d

IS0 3 9 - Determin tio of water co te t - Elec trometric meth d

IS0 3 9 - Determin tio of moisture co te t - Grav imetric meth d

IS0 4 7 - Ev aluatio of fre fluorid s co te t - Co v entio al titrimetric meth d

IS0 4 8 - Determin tio of s lp ates co te t - Barium s lp ate grav imetric meth d

IS0 - Sampln