Description of Requirements_17Nov25.pdf

DESCRIPTION OF REQUIREMENTS:

Handheld-X-Ray Fluorescence (XRF)

1. Description of Requirements:

The field portable handheld-X-Ray Fluorescence (XRF) spectrometric device is required to measure and determine the presences and elemental concentrations in soils and sediment deposits. Specifically, the XRF device must be able to detect elemental distributions to identify potential rare earth ores, sensitive wasted dredged deposits, and assess the chemical makeup of in-tack and weathered geological materials. The Handheld XRF must also meet the following requirements:

a. Overall Weight: 3-lbs or less

b. Overall Dimensions: 195-in3 or less

c. Minimum X-Ray Excitation: Gold (AU) anode, 55 kV, 100 uA, 5 W X-ray Tube

d. Beam:

i. Spot Size: 4-mm

ii. Type: Fixed Collimated

e. Silicon Drift Detector (SDD):

i. Minimum Active Area Size: 50-mm2

ii. Energy Resolution: 140 eV at 5.95 Mn K-alpha line

iii. Minimum Acquisition Live Time at 250k counts per second (cps): 90%

iv. Protective Covering: Required

f. Minimum Detectable and Installed Elemental Standards for (See Table 1.):

i. Alkali Metals: Cesium (Cs), Lithium (Li), Potassium (K), Rubidium (Rb)

ii. Alkaline Earth Metals: Barium (Ba), Calcium (Ca), Magnesium (Mg)

iii. Metalloids: Antimony (Sb), Silicon (Si), Strontium (Sr)

iv. Post Transition Metals: Aluminum (Al), Arsenic (AS), Bismuth (Bi), Cadmium (Cd), Mercury (Hg), Lead (Pb), Tin (Sn), Zinc (Zn)

v. Transition Metals: Chromium (Cr), Cobalt (Co), Copper (Cu), Iron (FE), Manganese (Mn), Molybdenum (Mo), Nickel (Ni), Niobium (Nb), Silver (Ag),Tantalum (Ta), Titanium (Ti), Tungsten (W), Yttrium (Y), Vanadium (V), Zirconium (Zr)

vi. Lanthanides: Cerium (Ce), Europium (Eu), Gadolinium (Gd), Lanthanum (La), Neodymium (Nd) ,Praseodymium (Pr), Samarium (Sm)

vii. Reactive Non-Metals: Phosphorus (P), Selenium (Se) Sulfur (S)

viii. Additional Library Standards: Option to Add as Needed

g. Calibration:

i. Standards Included: Yes

ii. External Calibration Reference Material: Stainless Steel with Grade 316

iii. Calibration Method: Auto-Calibrates and Checks Calibration on 316 Grade

Stainless Steel Reference Material

Table 1: Periodic Table - Elements, Definition, Groups, Periods, Blocks. (Obtained from:

https://www.priyamstudycentre.com/chemistry/periodic-table-elements)

h. Multi-Integrated Cameras

i. Micro/Macro

ii. Targeting Crosshairs

iii. Barcode Scannable

iv. QR Code Scannale

i. Screen:

i. Flat/Flush non-flipping

ii. Touch Screen

iii. Backlit

j. Handheld XRF Operating System:

i. Android Based

ii. Does Not Require Updates

k. Software:

i. Includes PC Software for Multiple Users

ii. Does Not Require Updates

iii. Allows Operation of XRF using PC

iv. Generates Standard and Customizable Reports

v. Report Must Be Exportable in Formats: PDF and CSV https://www.priyamstudycentre.com/chemistry/periodic-table-elements

l. Data Transfer:

i. Wireless

ii. 2.0 USB

iii. SD

m. Data Acquisition Unit:

i. Minimum Processor: 1.2GHz

ii. Minimum RAM: 2GB

iii. Minimum Storage: 16GB

iv. Minimum External Storage: 32-GB

n. Built-In Connectivity: Wifi and Bluetooth

o. Geotagging with GPS Capable: Yes

p. Operating Temperature Range: 10° F to 130° F

q. Security:

i. User Level Password Protection

ii. Administrative Privileges for Settings.

r. Power:

i. Battery

ii. Hot-Swappable Battery with No Shutdown Required

iii. Rechargeable inside device

iv. External charger,

v. AC power

2. Handheld-X-Ray Fluorescence (XRF):

Equipment/Fixtures Accessory Packages Quantity

Battery Charger 1

Carrying Case 1

Detection Standards for Geo Rare Earth Elements Library 1

Benchtop Laboratory Test Stand 1

Handsfree Field Soil Test Stand 1

Closed Beam Tubular Test Stand 1

On-Site Training, Calibration, Demonstration 1

Customer Care Program (minimum 1-yr with 2-yr Extended Option Offered) 1

3. Additional Technical Documents Included In Contract Submittal Requirements:

a. Signed Letter on Manufactures Letterhead That Identifies the Submitter By Business

Name As An Approved/Registered as Primary or Reseller of Portable Handheld-XRF Devices.

b. Signed Letter on Submitter’s Letterhead Indicating the Ability To Provide Direct In-House After Sale Technical Support by Phone and Email of Portable Handheld-XRF Devices.

c. Provide Equipment Product Specifications on Manufactures Letterhead as Evidence That Proves Requirements Can Be Meet.

4. Shipping Costs:

Must Be Included in Quote.

5. Tire Pressure Mapping Sensor Pads Delivery Date:

No Later Than March 16, 2026.

6. Point of Contact and Delivery Location:

GSL-Airfields and Pavements Branch

CEERD-GMA

3909 Halls Ferry Rd Vicksburg, MS 39180-6199