iC&EN
READER
SERVICE VALID THROUGH NOVEMBER 16, 1971
OCT. 25 ADVERTISED PRODUCTS 5 3 4 1 2 6 14 15 16 17 18 19 27 28 29 30 31 32 40 41 42 43 44 45 53 54 55 56 57 58 66 67 68 69 70 71
7 20 33 46 59 72
8 21 34 47 60 73
9 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:
i
Changing titrants is a snap on a Metrohm E-436. Just snap out the old buret unit and snap in the new. The Metrohm isn't only the world's finest recording titrotor. It is also the only automatic titrator with interchangeable, snap-in buret un.ts, and nine buret sizes; from 0.2 ml. to 50 ml On the E-436 you can do non-stop titrations and change titront as often as you like. There's no need to constantly stop, disassemble and clean burets, as on instruments with dual systems Simply replcce one buret unit with another and keep right on going. But convenience isn't the only unique feature of the E-436. It provides eight m.V ranges (50 mV to 200 mV). four oH ranges (1, 5, 10 and 14 pH). end 50 mV (1 pH) sensitiv.ty per full scale deflect.on, the highest of any automatic titrator. Besides potentiometric and Redox titrations, the E-436 is also equipped to do amperome'ric and voltametric titra-
tions without any supp'ememary attachments Finally, the E-436 el.mmates zeroing problems by using a single motor for both buret and paper drives. Of course, the E-436 a;so has numerous conventional features, including automatic stop, cutomatic adaption of titrating speed to curve slope, a continuously variable buret delivery rate, and a very attractive price. But to learn more about the unconventional features, you really should heve Our catalog. For your free copy, just write: Metrohm Division, Brmkmonn Instrumerts, Cantiague Rood. Westbury. N Y 11590.
'*~" Metrohm 0 — Titrators
CIRCLE 3 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 • MANAGEMENT 2 • PRODUCTION, CONTROL 3 • PROCESS DESIGN & DEV.
4 • PRODUCT R&D 5 • PURCH., SERVICE, SLS. 6 • OTHER
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