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US EPA Method 535 Standards

Restek Butachlor ESA sodium salt (Method 535 Internal Standard), 100µg/mL, methanol, 1ml/ampul, ea.
Restek Dimethachlor ESA sodium salt (Method 535 Surrogate Standard), 100µg/mL, methanol, 1ml/ampul, ea.
Restek Butachlor ESA sodium salt (Method 535 Internal Standard), 100µg/mL, methanol, 1ml/ampul, ea. Restek Dimethachlor ESA sodium salt (Method 535 Surrogate Standard), 100µg/mL, methanol, 1ml/ampul, ea.
Part Number: RT-33202
Part Number: RT-33203
price on request
price on request