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First Standard® 久效威亚砜
羟基匹格列酮溶液, 100ppm
Sebuthylazin
Semi-Volatile Base Neutrals Extractable Mixture #2 - Skinner List (repkg) 2000ug/ml in Methylene chl
Tolclofos-Methyl Solution 100ug/ml in Toluene
氰酸钾 标准品
亚胺硫磷(符合:GB 2763-2016)
Tetramethylammonium iodide (无证书)
B/N CALIBRATION MIX 2 (2ND LOT), 1X5ML, CH2CL2 2000UG/ML 标准品
氯甲酰草胺