C&EN
READER
C C D T
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3 L r
JLO
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SERVICE VALID THROUGH OCTOBER
5,
1971
ADVERTISED PRODUCTS: 1 14 27 40 53 66
2 15 28 41 54 67
3 16 29 42 55 68
4 17 30 43 56 69
5 18 31 44 57 70
6
7 19 32 45 58 71
8 20 33 46 59 72
9 21 34 47 60 73
22 35 48 61 74
10 23 36 49 62 75
11 24 37 50 63 76
12 25 38 51 64 77
13 26 39 52 65 78
108 121 134 147 160
109 122 135 148 161
110 123 136 149 162
111 124 137 150 163
112 125 138 151 164
NEW PRODUCTS, NEW LITERATURE:
Changing titrants is a snap on a Metrohm E-436.
f
Just snap out the old buret unit and snap in the new. Trc Metrohm isn't cni, the world's finest receding t trGtor. It is α so t^e oHy automatic t'trator wt^ interchangeable, snap.m buret • n.'s, ari'j n,ne buret w - s . ' O I H Π 2 ml. to 50 ml On the f_-434 , r , can do r 0 - s ' o p t.trn'ions ara change t.van· as o''er· as ,ου ι le. Τ' e e s no "pod to cors'an'1', s'o; . ensnssemb'e α-a coon b: -e's, c:r, on "s'ruments w t>- a a s, s'ems Simi.il/replace one buret unit with another a n d Ireop r.gr* on gomg. But convenance .sn't the O"! / unique feature o' the Ε-434 It pmv.aes ·· ght mV ranges (50 mV Ό 200 mV). four r.H ranges (1, 5, 10 and U p H l . a n d 50 mV (' pM| sensitivity per fuli scale deflection, the h ^ e s ' c f an,· automatic ttrator. Besides potert omefric and Redox titrations, the F-434 is also equipped to d ampere-metric and vol*ame'ric t.'ra-
tors w 'ho ' an\ supp crentary attachments. p.pal!.. the F-434 eliminates zeroing problems b, u v m a si^j'e mo'or 'or both buret and paper dr.ves. Of c.v. rse, the E-434 a so has numerous conven' ona· fea ,,,r os. i^cl'dinq automatic stop, au'oma'ic adapter, o< titrating speed to curve sli"[ e a cont m o ,s\ variable buret c:r- ver, 'C.'Q ana a ver / attrac've price But to iearn ^orr· aboil the ^nconve-t onal fea'ires. , ou -eal' ,· should have our catalog. For vour free cop,-, ius' w ' e N/etrohm Div.sO". Brmkmann Instruments, Can'iag_e Road, Westbury. N.Y.I 1590.
Θ Metrohm Thrators
CIRCLE 9 ON READER SERVICE CARD
100 113 126 139 152
101 114 127 140 153
102 115 128 141 154
103 116 129 142 155
104 117 130 143 156
105 118 131 144 157
106 119 132 145 158
107 120 133 146 159
PLEASE CHECK YOUR FUNCTION: 1 D MANAGEMENT 2 D PRODUCTION, CONTROL 3 D PROCESS DESIGN & DEV.
4 D PRODUCT R&D 5 D PURCH., SERVICE, SLS. 6 D OTHER
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