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<br />n <br /> <br />A L C 1 <br />The 'rormal' amount of aodlum hydroxide added t0 ens Iftra or aQuaow solution, abt to <br />alpM mndud pallav, la about 2 Orama M vnlpht. ThU ntufv In an Inenau In the foul <br />d4aolwd solids RDSI of the wlution by about 1000 mp>t. which la uwally inautlkkrtt to <br />uuee problems with arwlyala, lass aeetton S.4 bebwl. <br />Ifvrtharmon, an Ineroeq o} ump4 pH to abaw t 2 wiN twee pratiprtaUon of aueli spades <br />u iron, manaanere, awminum and sills it Nep an pratertt In apludon b p+s aampll, Thla <br />will incnasa pia amount of partiou4n matter h the umpla, Inelutfnp the t:oNOidd apache <br />whlph would not ba alther naoataarv yiaibla or Gharabla from the lampla. <br />J.2.2 Lyslmatar L3 samples <br />Tha amstl sample volumes ntriawd from Lyslmatar L9 and the fact thn the lama amount of <br />aodlum hydroxide wet atltled to theta sample a would nom+.uy ba atfaad to one IiVa of <br />sample means that tM TDS and ionic atnnpih of the lydmaur tampls wltl ba wbavhUdly <br />dlffarant from that whleh might ha sntlelpatad by tna analytical laboratory antl urtslnlY <br />difiarant from the analytloal atandarda uaa0 for ullhratlnp the autwnalvter used fo+{otal <br />eyanida determinaUOnt. <br />Fot the three umplta Colbeted hom the Lyslmatar W, the TD6 value would haw inanaud <br />from perhaps aavaral nundnd mprl to 17,000 ma~L, 100,000 mpg and 400,000 mpyL <br />ratpecGvely. Tne 4nat two nmpies become uanyauy brines. itawavr hat a TDS Or <br />abaut 96,000 mphlr and the third aampte to syrup et ~OS6 tolidt. 6uch hlpn TDS end Ionic <br />atranptfit will have en Impact on lha anBlyale Of these ssmplac for cyanide. <br />Tha amount of sodium fiydroxlda ^ddad to tM soueout Lyslmatar umplu would McrNu <br />the temple pH !ar hlphar then she pH 12 normetfy tetprted for pratervetlon of cVanlda <br />eemplee, probably to pH 11 or beyond. Thie would <br />Dotentlpl caeca mater eR[n~st in tN folubdity pt many of the ms;a ion tpeehs In solution, <br />with Grecipltatlpn bet^.; [ comr.o'+ nc,l;, px ex[mpl[. [: the[• a`~ ve!cec mepnee~um wlr <br />p•eULltail [• • ~}d'u ~Gr, r^^•r :~ v:nl;~ w~~. tt c~'.IC;c I'. d~• :. :`.1 iL~'. l~G^ iCniG h?S[:7 <br />On_c cpc~^.. /UL's p'•'. :.;I' :.^ «C~ 9:•:r ;`a c]:•rl4 ]' ![ al!•.1 t'.C iJ:JI ~•~+s•r .m Cnpd ~_' <br />.Cad -}!'1~~1. (!!~ f.: :; i- .:.L Nrl: v.: <br />A/ aaelu G/d by Sm ;'+ Ind Mudu•. It P9 rl. ' :ne (m:nt1 ope'e;.r [ro,ld /lla[t urifurly <br />the effect of any and all preasrvs;lvee on hil Derticu'u eemplee prior la antarinp a Vonp Lrm <br />onalyucll program for oyenlda', iDSpa 24, [e:don 2.2.1. <br />