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甲基二磺隆溶液,100ppm
除虫脲,100 µg/mL于甲醇 标准品
2,4,5-Trichlorophenol-3,6-d2
9-Nitrophenanthrene-d9
Baycor (TM) Solution 100ug/ml in Acetonitrile
Physcion 标准品
Regular Diesel Fuel (unweathered),5000ng/ul 标准品
Method 8040 - Phenols Mix B - PFB Derivatives 标准品
pH缓冲液 pH12.45±0.05 @25°C
2,5-Anhydro-1,3-O-isopropylidene-6-O-trityl-D-glucitol