eiphung UAiy chamital balanus-

- odod rceaduee, Cpoeporahion o 9andand han wa/ereweight O. 5 Ca C0g Ond pn<poN 50m/. ah So/. 6u 6 4o 05. G CoCog add ol. HC/ a 60/ 1 clear so/ukon i obiain - ned hon puk Hi c/ram So/uhon in meaMUirg Vank ond o 50mi, wakr, tha giuen sokon Frmad it caved 8Fendand had wakr solaAon.

G Ainna fhe burehe 1 wih walr hon wih eo?D ond A1 he ADIA no, ond nok down nka eadirg (8) Dipe ou4 5n/. o6 8fonolond hond waler in coniral fY- aok,4hon addd -5mo6 bufR so/ukon ond 3 dheor PoricA rome -Blatk -? inolrabr anod har ( 2ibek i, A He wine - *d colou so/uh'on choarges to 6/ue an nok doun tha Fnal adi 6 buneH,ee- a s 9kp HI Hu Concrdan nmading it obtaine d. Repeaf he tkpe wih unknoun sampk oß hand wasrje, tep waer

6 ROAultA Hardnen dandard hond waer ir lmg lml. r/o00Ppm chile Ae hanalnun Aypwaler ir o.5mglm/ 500Ppm.

Penushona- o) whie we Pghing do nok p}!l Me vubnonre on dalonte POn. Teacher's Remarks............-..... ...*

Teacher's Sigrature .

SNo. volume oP Dop wafr)

AureHe ading

(AlpHe votume o eDT fmean) (V) Fina

Sml. Oml, ml, 0.8m. 5ml, Oml, o.8 ml, 5ml Oml, Wert, ButHe ma ding % Hond wakr 1.6 ml Bunte madiny topwan Ys 0.8ml, the, vondaicd Aonadwaer centains 50 mg in som!. e, 1ma catog in m/, r in Ppm img x/00o /000ppm e handhero o hendond prportd handwaer /0ooppm 8o, JuonHHy y Cot0g In top wakr uanky g Catoy x (V in ga.in) hond waler (V,)Mond

) Hondle he knobb g chemieod belonie uery enhy (8) ewoah the wakch lose hroughly ro ha not a shge cry -rfal ob Catos emains. (u £ ho meaouting Dlaok upho ma vry cgully_

) leon the buree ewih wakr dkr u, C6 prop tnhon shou/d de mainkained wik oldng orags, Teacher's Remarks.

Teacher's Sigrature

Experiment No.. Pate 2-NoU: Page No, 1