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First Standard® 乙腈中吲哚-3-丁酸溶液,100μg/mL
2,3,6-TRICHLOROTOLUENE
2,7-Dinitrofluorene
敌草净溶液,100ppm
First Standard® 乙腈中埃卡瑞丁溶液, 1000μg/mL
Heptachlor Solution 100ug/ml in Methanol
Bromoform Solution 100ug/ml in Methanol
Ethion
农药丁硫克百威溶液标准物质
Norpropylhexedrine hydrochloride