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Custom Reference Standards

Environmental Standards

Environmental Reference Materials
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Custom Standards
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For inquiries and assistance, you can reach us at 1 800-878-7654 (Customer Service Line), 707-525-5788 (California) or email [email protected].


377.00 377.0 USD
71.00 71.0 USD
257.00 257.0 USD
387.00 387.0 USD
649.00 649.0 USD
350.00 350.0 USD
52.50 52.5 USD
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244.00 244.0 USD
40.00 40.0 USD
350.00 350.0 USD
609.00 609.0 USD
272.00 272.0 USD
Contract Laboratory Program (CLP) Instrument Calibration Standard #3
Item No.: 4400-ICAL3-100
Al 2000, Cu 250, Ba 2000, Fe 1000, Be 50, V 500, Co 50in 5% HNO3. 100 mL
214.00 214.0 USD
24.15 24.15 USD
32.00 32.0 USD