8/11/2019 baume exp 5

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Mustafa , Aseeb

EXPERIMENT # 5

OBJECT

Preparation of Baume Solution

OBSERVATION

Concentration of !! "m NaO in !! ml $O % &$ Be!

X'% X$'$

'% ($) * !!+ , &!

' % -&.& ml

Concentration Volume Molarit/

$) Be! -&.& ml of &! Be! $&.0

$5 Be! )-.$) ml of $) Be! $.1

$$ Be! )) ml of $5 Be! ).-

$! Be! -!.- ml of $$ Be! 2.&

) Be! -! ml of $! Be! 5.21

1 Be! )).) ml of ) Be! 0.)

ASSIGNMENT

BAUME SCALE

Definition

T3e Baum scalei4 actuall/ to in6epen6ent an6 mutuall/ e7clu4i8e (non9o8erlappin"+

3/6rometer 4cale4 t3at co8er a+ li:ui64 it3 a 4pecific "ra8it/"reater t3an .! an6 ;+li:ui64 it3 a 4pecific "ra8it/ le44 t3an .!.

T3e Baum< 4cale i4 not a temperature 4cale.

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Additional Info

Name6 for it4 in8entor= Antoine Baum< (2$)9)!0+= t3e Baum< 4cale i4 actuall/ to4cale4= one for li:ui64 t3at are 6en4er (3ea8ier+ t3an ater an6 one for li:ui64 t3at are le44

6en4e (li"3ter+ t3an ater. T3e 3/6rometer4 are cali;rate6 u4in" t3e folloin" rule4>

For liquids ea!ier tan "ater#

! ?B< % 6i4tance t3e 3/6rometer

4in@4 in pure ater

5 ?B< % 6i4tance t3e 3/6rometer

4in@4 in a 4olutiont3at i4 54o6ium c3lori6e (4alt= NaCl+;/

ma44.

To con8ert from ?B< to 4pecific"ra8it/ at 1! 6e"ree4 a3ren3eit>

4pecific "ra8it/% 05,(05 9 ?B

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Since all t3e 6e"ree4 on a BaumGHe 4cale are t3u4 e:ual in len"t3= 3ile t3o4e on a

4pecific9"ra8it/ 4cale "ro 4maller a4 t3e 6en4it/ increa4e4= t3ere i4 no 4imple relation;eteen 6e"ree4 BGHe an6 4pecific "ra8it/. oe8er= rea6in"4 on BaumGHe4 4cale ma/ ;e

appro7imatel/ re6uce6 to 4pecific "ra8itie4 ;/ t3e folloin" formulae

(a+ or li:ui64 3ea8ier t3an ater= 4p. "r. % 00 G6i8 (009 7+

(;+ or li:ui64 li"3ter t3an ater= 4p. "r. % 00 G6i8 (&0 7+.

Ke"ree4 Baume i4 a mea4ure of 4pecific "ra8it/ ori"inall/ ;a4e6 on a44i"nin" ! NaCl

4olution a 8alue of !.

Baume Gra!it'

Ke4i"natin" or conformin" to eit3er of t3e 4cale4 u4e6 ;/ t3e renc3 c3emi4t= Antoine

Baume (2$)9)!0+. One 4cale= 3ic3 i4 u4e6 it3 li:ui64 3ea8ier t3an ater= 4in@4 to !6e"ree4 (B or Be= 4/m;ol4 for Baume+ in pure ater an6 to 5 6e"ree4 (B or Be+ in a5 4alt 4olution. T3e ot3er 4cale= for li:ui64 li"3ter t3an ater= 4in@4 to ! 6e"ree4 (B or

Be+ in a ! 4alt 4olution an6 to ! 6e"ree4 (B or Be+ in pure ater.

A((lications

Baume meter i4 re4i4tant to corro4ion an6 a;le to com;at e7treme eat3er con6ition4

pre8ailin" in 4olar 4alt or@4.

T3e main o;Lect of t3e in8ntion i4 to pro8i6e a co4t9effecti8e 6e8ice for t3e e4timation of

;rine 6en4it/ in a me6ium from afar ;a4e6 on t3e principle of ;uo/anc/.

or e4timation of ;rine 6en4it/ t3at i4 re4i4tant to corro4ion an6 eat3erin" effect4.

or t3e e4timation of ;rine 6en4it/ t3at i4 accurate= i4 not 4u;Lect to 4alt encru4tation= an6

preci4e in it4 rea6in"4.

Anot3er o;Lect i4 to impro8e t3e a63erence to proce44 control 6urin" 4alt pro6uction ;/

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4implif/in" t3e operation of 6en4it/ monitorin".

Anot3er o;Lect i4 to re6uce t3e 8ariation in t3e :ualit/ of 4alt an6 marine c3emical4pro6uce6 in 4olar 4alt or@4.

%eferences

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3ttp>,,6ict.6ie.net,;aume,

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