Milli-Q® IQ Element Water Purification & Dispensing Unit

Ultrapure water suitable for the most stringent trace
elemental analyses

Laboratories performing trace analyses need a reliable source of ultrapure water with consistently low elemental concentrations. When combined with a Milli-Q® IQ 7000 or a Milli-Q® IQ 7003/05/10/15 water purification system, the
Milli-Q® IQ Element purification and dispensing unit delivers analytical-grade ultrapure water that is suitable for trace and ultra-trace elemental analyses, including ICP-MS, GF-AAS and trace IC.

The Milli-Q® IQ Element unit dispenses water at your point of use, which is confirmed to contain extremely low levels of elemental contaminants, from single-ppt to sub-ppt detection levels. Independent laboratories specialized in ultra-trace elemental analyses have verified the unit’s water quality (see the Performance Report below).

Seamless, contaminant-free integration into your cleanroom environment

The compact Milli-Q® IQ Element unit is designed to be easily integrated into your laboratory space and installed inline of a Milli-Q® IQ 7 series water purification system. Its compact dispensing unit can be placed directly at your point of use, in your cleanroom environment or laminar flow hood, with no risk of contamination.

Installation Diagram

  1. Milli-Q® IQ 7003/05/10/15 water purification system purifies tap water to pure (Type 2) and ultrapure (Type 1) water. Flexible installation options give the best fit for any lab’s space, and patented purification technologies ensure consistently high-quality purified water.
  2. Milli-Q® IQ 7003/05/10/15 storage tank safeguards water purity better than ever. The vent filter protects
    water from airborne contaminants and mercury-free UV lamps prevent bacterial growth and biofilm build up.
  3. E-POD®dispenser gives convenient access to pure water at a high flow rate (up to 2 L/min) for general lab
    applications. Save time with walk-away filling and an intuitive touchscreen interface.
  4. Q-POD®dispenser delivers ultrapure water for critical applications such as HPLC, UHPLC or cell culture.
    A range of Application-Paks match water quality to your specific application needs.
  5. Milli-Q® IQ Element purification unit removes trace ionic contaminants. The touchscreen allows water
    quality monitoring at-a-glance, rapid data management, and intuitive control.
  6. Footswitch allows hands-free dispensing at your point of use. There’s no need to touch the unit while working.
  7. Milli-Q® IQ Element dispensing unit can be placed directly at your point of use, in your cleanroom environment
    or laminar flow hood, with no risk of contamination.

Ultrapure (Type 1) water specifications

The Milli-Q® IQ Element unit can be fed by a Milli-Q® IQ 7000 or Milli-Q® IQ 7003/05/10/15 water purification system.

Parameter Value or Range1
Resistivity at 25 °C* 18.2 MΩ•cm
TOC ≤ 5 ppb
Flow rate Up to 1.5 L/min

1 Under standard operating conditions. For more information, please refer to the user manual of the Milli-Q® IQ 7000
   or Milli-Q® IQ 7003/05/10/15 water purification systems.

 

Milli-Q® IQ Element Performance Report

ICP-MS analysis of ultrapure water from Milli-Q® IQ Element unit

Excerpt from ICP-MS analysis with high purity water obtained from a Milli-Q® IQ Element purification unit connected
to a Milli-Q® IQ 7005 water purification system. Additional results and detailed experimental methods are available
in the Milli-Q® IQ Element Data Sheet.

 

Isotope Element Sample
(ng/L)
DL
(ng/L)
7 Lithium (Li)1 < DL 0.04
9 Beryllium (Be)2 < DL 0.20
11 Boron (B)2 < DL 0.50
23 Sodium (Na)1 0.68 0.11
24 Magnesium (Mg)1 0.01 0.01
27 Aluminium (Al)1 0.07 0.04
28 Silicon (Si)1 198.65* 4.98
39 Potassium (K)1 0.54 0.16
40 Calcium (Ca)2 < DL 0.29
45 Scandium (Sc)2 0.59 0.53
47 Titanium (Ti)1 0.61 0.51
51 Vanadium (V)1 0.03 0.01
52 Chromium (Cr)1 0.08 0.02
55 Manganese (Mn)1 0.01 0.02
56 Iron (Fe)1 < DL 0.50
59 Cobalt (Co)1 < DL 0.01
60 Nickel (Ni)1 < DL 0.16
63 Copper (Cu)1 < DL 0.04
66 Zinc (Zn)1 < DL 0.48
70 Germanium (Ge)2 < DL 0.10
71 Gallium (Ga)2 < DL 0.13
75 Arsenic (As)1 0.06 0.04
78 Selenium (Se)2 < DL 0.57
85 Rubidium (Rb)1 < DL 0.03
88 Strontium (Sr)2 < DL 0.02
89 Yttrium (Y)2 < DL 0.02
90 Zirconium (Zr)2 < DL 0.05
93 Niobium (Nb)2 < DL 0.03
95 Molybdenium (Mo)1 < DL 0.10
101 Ruthenium (Ru)2 0.42 0.20
103 Rhodium (Rh)2 < DL 0.01
105 Palladium (Pd)2 < DL 0.34
107 Silver (Ag)2 0.40 0.15
111 Cadmium (Cd)1 < DL 0.08
Isotope Element Sample
(ng/L)
DL
(ng/L)
115 Indium (In)2 < DL 0.01
118 Tin (Sn)2 < DL 0.15
121 Antimony (Sb)1 < DL
0.02
126 Tellerium (Te)2 0.08 0.07
133 Caesium (Cs)1 0.01 0.00
138 Barium (Ba)1 < DL 0.05
139 Lanthanium (La)2 < DL 0.02
140 Cerium (Ce)2 < DL 0.03
141 Praseodymium (Pr)2 < DL 0.02
146 Neodenyum (Nd)2 < DL 0.08
147 Samarium (Sm)2 < DL 0.13
153 Europium (Eu)2 < DL 0.04
157 Gadolinium (Gd)2 < DL 0.13
159 Terbium (Tb)2 < DL 0.02
163 Dysprosium (Dy)2 < DL 0.07
165 Holmium (Ho)2 < DL 0.02
166 Erbium (Er)2 < DL 0.11
169 Thulium (Tm)2 < DL 0.03
172 Ytterbium (Yb)2 <DL 0.09
175 Lutetium (Lu)2 <DL 0.02
178 Hafnium (Hf)2 <DL 0.11
181 Tantalum (Ta)2 <DL 0.03
182 Tungsten (W)1 <DL 0.07
185 Rhenium (Re)2 <DL 0.09
189 Osmium (Os)2 <DL 0.14
193 Iridium (Ir)2 <DL 0.05
195 Platinum (Pt)2 0.18 0.16
197 Gold (Au)2 <DL 0.43
202 Mercury (Hg)2 5.1 1.52
205 Thallium (Tl)2 <DL 0.05
208 Lead (Pb)1 <DL 0.08
209 Bismuth (Bi)2 <DL 0.06
232 Thorium (Th)2 <DL 0.04
238 Uranium (U)2 <DL 0.04


DL: Detection limit

1 Data obtained courtesy of Agilent Technologies, Tokyo, Japan. © Agilent Technologies, Inc. Reproduced with Permission, Courtesy of Agilent Technologies, Inc.
2 Data obtained courtesy of UT2A, Pau, France.
* Si is known to be difficult to measure by ICP-MS. When measured by GF-AAS, concentration was < DL (0.5 ppb).