US EPA Method 535 Standards

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Products

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