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EPA Method 1638

Determination of Trace Elements in Ambient Waters by Inductively Coupled Plasma – Mass Spectrometry

This method is for the determination of dissolved elements in ambient waters at EPA Water Quality Criteria (WQC) levels using Inductively Coupled Plasma – Mass Spectrometry (ICP–MS). It may also be used for determination of total recoverable element concentrations in these waters.

Standard Matrix Concentration
µg/mL		 100mL
SKU # / Cost		 250mL
SKU # / Cost
500mL
SKU # / Cost
Method 1638 - Standard A 2% HNO310 µg/mL : Sb, Cd, Cu, Pb, Ni, Se, Tl, Zn
1638-SAD
$35.00
Order
1638-SAK
$45.00
Order
1638-SAR
$61.00
Order
Method 1638 - Internal Standard 2% HNO310 µg/mL : Bi, In, Sc, Tb, Y
1638-ISD
$30.00
Order
1638-ISK
$38.00
Order
1638-ISR
$51.00
Order
Method 1638 - Tuning Standard 1 2% HNO310 µg/mL : Be, Co, In, Pb, Mg
1638-TS1D
$30.00
Order
1638-TS1K
$38.00
Order
1638-TS1R
$51.00
Order
Method 1638 - Silver 2% HNO320 µg/mL : Ag
1638-AGD
$30.00
Order
1638-AGK
$38.00
Order
1638-AGR
$51.00
Order

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