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[.]
I N TE RN ATI ON STAN AL D ARD I N TE RN ATI ON AL ORG AN I ZATI ON Cryol i te, of test Cryol i th e, Fi rst STAN DARDI ZATI ON n atu ral M E Yl i YH AP Of l H AR an d OP r AH bi ALl H R arti fi ci al - IlO CTAH I I APTH ALWi i ORG AN I S ATI ON Preparat i on - et arti fi ci el l e - Preparati on et an d servati on d es kh an ti l l on s pou r m, T i ;, s z, I& - - 53 63 F c -1 2G L : N ORM ALl S ATl ON st orag e essai &f>T! l Descri ptors DE 76 - - ” U DC I N TE RN ATI ON ALE s ampl es n atu rel l e edi ti on FOR 61 + , ; e* , q i 7”, - ; ‘ : ‘ “9; 9- y’ ,‘: ores, Ref cryol i te, sampl es , preparati on , test speci men s , d’ i 8=- z $a+ : ‘ : , - : 62 1 al u mi n i u m p :,_ storag e, ch emi cal N o I S0 - 76 ( E) an al ysi s Pri ce based on pag es FOREWORD I S0 of ( the I nternati onal nati onal i nternati onal Member u p h as th e Draft ri ght Pri or to by the 972, I S0 repl aces th e that Commi ttee by wi th the thei r l SO/TC47 of the work th ese al so take organi zati ons, Commi t tees Stan dards I S0 transformati on was As Commi tt ees n ow part in of the were process, R 61 Stan dard I S0 approved by th e Member an d fou n d Bodi es Bel gi u m I ran Spai n Afri ca, Brazi l I srael Swed en Can ad a I tal y Swi tzerl an d Czech osl ovaki a Neth erl an ds Tu rkey Egypt, N e w Zeal an d Un i ted Fran ce Norway U S S R German y Pol an d Yu gosl avi a Greece Portu gal Rep of expressed Bod y di sapproval di sapproved of the it of th e the Organi zati on for Standardi zati on, Rep of i nto an Ki n g d om Recommen dat i on transformati on Stan dard Swi tzerl and bei n g : Roman i a in of Tech n i cal 970 Sou th I nternati onal pu bl i sh ed 61 therefore I ndi a Member I nternati onal process thi s Recommen d ati on I nternati onal R 61 9- l R 61 are Hu n g ary I nternati onal i n the work are ci rcu l ated as Au stri a Bod y Every h as been set part Au stral i a No Member devel opi n g Commi ttees Commi t tee acceptan ce of the Tech ni cal docu men t s h as revi ewed for Recommen dat i on Arab federati on of I nternati onal I SO, Tech n i cal before work Tech ni cal a Tech ni cal i n l i son approval I nternati onal cou n tri es I S0 wh i ch Th e Cou nci l Recommen d at i on Pri nted on i s a worl dwi de Bodi es) th rou gh for adopted for resu l ts sui tabl e I S0 fol l owi ng o I S0 i nto Commi ttee techni cal l y I S0 Stan dards Recommen dat i on s; tran sformed No be represen ted Bodi es Stan dardi zati on) Member ou t i n a su bj ect an d n on - govern men tal , Member Stan dards as to for ( I S0 i s carri ed i nterested I nternati onal th e i nsti tutes Stan dards Bod y govern men tal to Organ i zati on stan dards 976 l of I SO/R 61 I NTERNATI ONAL Cryol i te, of test SCOPE I S0 STANDARD n atu ral an d arti fi ci al - Preparati on 61 9- 976 (E) an d storag e sampl es AN D FI ELD OF The APPLI CATI ON si eve shal l be sel ected in rel ati on to the i mpu ri ty to be determi ned Th i s I nternati onal preparati on and Standard and dri ed storage sampl es, natural and ( NaF/AI Fa) of test natural synth eti c between speci fi es of the and I,7 i e arti fi ci al materi al s and procedure sampl es, for cru de cryol i te, havi ng a the sampl es and mol ar of 3 Mortar, of coru ndu m or agate rati o approxi matel y 3 El ectri c oven, capabl e of bei ng control l ed at 1 0?2°c REFERE N CE I S0 , Cryol i te, natural and arti fi ci al - Sampl i n g ‘ ) 3 Procedu re Si eve PREPARATI ON Laboratory For the method OF TEST SAM PLES the l aboratory the sampl e preparati on speci fi ed Gri n d of in approxi matel y si eve I S0 sampl e, u se the the (3 2) parti cl es and wh i ch 00 g of the l aboratory sampl e u si ng (3 ) has remai ni n g si eve agai n previ ou sl y in Add the these passed si eve si evi n g s through the in to the the si eve mortar materi al and mi x carefu l l y Cru de geometri c sampl e, ch emi cal tests and Take approxi matel y pl ace it nearl y for the characteri sti cs, in an fi l l ed for 300 the determi nati on certai n moi stu re rti ght by for g of ph ysi cal and certai n Repeat ph ysi co- the determi nati on of the contai ner of l aboratory su ch sampl e a capaci ty that and Pl ace it for is sampl e of Dri ed sampl e, certai n 110 Thorough ch aracteri sti cs by a si eve mi xi n g the and sampl e l east + ‘ C in si evi n g i s passed thu s h and through prepared in Remove mi xi n g the the the in a pl ati nu m oven di sh operati ons unti l al l si eve (3 3) from the di sh and dry control l ed oven and al l ow at to a desi ccator determi nati on for ph ysi cal and Keep the dri ed of wh i ch MARKI N G sampl e i s su ch that in the an rti ght sampl e fi l l s contai ner, it al most the capaci ty compl etel y si evi ng of and mesh dryi ng of the sampl e aperture at u nti l 0, 25 the whol e mm approxi matel y 110 “C The contai ners OF CONTAI NERS shal l a) the n ame of b) the ori gi n c) the nature d) the type e) the date bear the a l abel i ndi cati ng : product; Apparatu s l aboratory 3 Si eve, materi al that of cannot be determi ned 1) for tests fol l owed passes through Ordi nary tests, gri ndi ng, Pri n ci pl e Gri ndi ng 3 ch emi cal geometri c ph ysi co- ch emi cal 3 for the at cool 3 the materi al apparatu s mesh cau se of the produ ct; and aperture 0, 25 i ntroducti on mm , of the made i mpu ri ty of a of of the si eve sampl e (crude or dri ed) ; u sed; to of preparati on I n preparati on I S0 61 9- 976 (E) ANNEX I S0 PUBLI CATI ONS TO CYROLI TE, I S0 61 - Preparati on I S0 620 - Determi n ati on of si l i ca I S0 693 - Determi n ati on of fl u ori n e I S0 694 - Determi n ati on of I S0 2366 - Determi n ati on of sod i u m I S0 2367 - Determi n ati on of al u mi n i u m ten t - 8- Hydroxyqu i n ol i n e I S0 2830 - Determi n ati on of al u mi n i u m ten t - Atomi c I S0 3391 - Determi n ati on of cal ci u m I S0 3392 - Determi n ati on of water I S0 3393 - Determi n ati on of moi stu re I S0 4277 - Eval u ati on I S0 4280 - Determi n ati on I S0 - Sampl i n g an d storag e RELATI NG i ron NATURAL AN D ARTI FI CI AL of test sampl es ten t - Red u ced ten t ten t - - of free fl u ori des of su l ph ates Modi fi ed - ten t Fl ame - - ten t Fl ame an d atomi c absorpti on atomi c meth od absorpti on gravi metri c meth od absorpti on ten t - Con ven ti on al meth od ten t - Bari u m meth od ti tri metri c su l ph ate meth od gravi metri c spectroph otometri c meth od meth od Gravi metri c meth od meth od ph otometri c emi ssi on El ectrometri c - spectroph otometri c Wi l l ard- Wi n ter l , l O- Ph en an th rol i n e ten t ten t mol ybdosi l i cate meth od meth ods