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Mass Spectrometer (Inductively Coupled Plasma) / DPW & Parks

Publication Date
01/26/2018 10:09 AM EST
Closing Date
02/14/2018 10:00 AM EST
Issuing Organization
City of Worcester
Solicitation Number

Specifications include, but are not limited to:Furnish and deliver inductively coupled plasma mass spectrometer. The ICP-MS needs to be as compact as possible. If the instrument is a bench-top model; a cart to place the instrument on must be included by the bidder. • The ICP-MS instrument must have the ability to measure trace element in drinking water samples, closely adhere to the requirement of EPA Method 200.8. As well as being capable of measuring element not covered by 200.8. Some examples are: Iron, Manganese, Calcium, Potassium, Sodium and Uranium. • The ICP-MS must have the ability to measure trace elements in varied matrices such as waste water, ground water and digested samples, adhering to the requirement of EPA Method 6020. • The instrument will be required to exceed element detection limits for Drinking Water samples put forth and regulated by the Commonwealth of Massachusetts Department of Environmental Protection. • The Instrument must be controllable with a Windows based computer. This includes any other peripheral equipment (i.e. auto-sampler) that will be utilized in the operation of the Instrument. The instrument must be supplied with a new PC and Laser jet printer on delivery. The PC needs to be preloaded with any software needed to operate the instrument and auto-sampler. • The instrument must have an auto-sampler. The controls of the auto-sampler must be integrated into the ICP/MS software for ease of use. It also must have the ability to auto-dilute the samples. • The instrument must have a temperature controlled Peltier type (or comparable) spray chamber to control stability. The temperature control must be easily adjusted (or have preprogramed settings) according to the analytical methods that are listed above, as well to accommodate future adjustment as needed. • The instrument must be designed in a way that makes it easy to access the spray chamber and nebulizer externally (not within the torch chamber). This will aid in maintenance, and make troubleshooting introduction issues easier. The ICP torch must be demountable quartz with “quick connect” or screw fit-in injector. The torch must snap in or be held by clamps so that no additional alignment is necessary when torch is re-installed. • The torch alignment must be adjustable x, y, z planes all under computerized control. An automated alignment system to maximize plasma conditions must be provided. • The instrument gas flows must be computer controlled by Mass Flow Controllers. This includes the spray chamber, plasma gas, and auxiliary flows. • The instrument must be fully automated. This includes plasma ignition, sample analysis and automatic shutdown when the analysis ends. The analyst must be able to set-up a run and leave the instrument unattended. • The Instrument must have the ability to save and recall operating conditions. This must include historical files with past operating conditions that are easy to access. As well as have the ability to alter instrument conditions automatically during the course of operation. The software must be able to keep a record of those changes. • The instrument should be designed to enable the basic spectrometer to be upgraded in the laboratory to collision cell technology as analytical requirements change. • All service connections should be easily accessible in either the front or side of the instrument for maintenance. • The Ion source shall consist of an integrated water cooler, digital solid state RF generator at a frequency of ~ 27 MHz with fast dynamic frequency matching. It shall have a continuously variable output power of ~400 to 1600 watts. • The Ion source should not require a grounding shield for operation in any plasma mode (this includes cool plasma settings).

http://www.worcesterma.gov/finance/purchasing-bids/bids/bid-details?field1=cyqVpHyTe-d7rtYAL8bKaA (opens in a new window)

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