?? ??

?? ??? ???? ??? ?? ??, ??, ?? ??? ???.

?? ??	CAS	MF
α-Alumina (1.05 m2/g) (nitrogen BET specific surface area)
Animal feed (OCPs)
n-Heptane (purity, impurities)		C7H16
Calcium 41Ca / 40Ca (certified for isotope abundance ratio)
Zinc 68Zn solution (certified for isotope abundance ratio)		Zn
Porcine muscle (chloramphenicol blank)
2S-EPHEDRONE HYDROCHLORIDE	66514-93-0	C10H14ClNO
TRIAZOLAM-D4	145225-04-3	C17H8Cl2D4N4