Cov khoom xyaw zaub mov

Kev sim	Specification	Cov txiaj ntsig
Qhov tshwm sim	Yellow crystalline hmoov	Yellow crystalline hmoov
Melting Point	60.0-62.0 ° C	60.8 ℃
Kev txheeb xyuas	HPLC: Cov kua theem kuaj pom spectrum yog raws li tus qauv	Ua raws
Kev txheeb xyuas	IR: Absorption spectrum ua raws nrog Reference Standard	Ua raws
Kev sib hloov tshwj xeeb	-1.0° ~ + 1.0°	Ua raws
Poob rau ziab	Tsis ntau tshaj 0.2%	0.04%
Residue ntawm ignition	Tsis ntau tshaj 0.1%	0.07%
Cov hlau hnyav	Tsis ntau tshaj 10ppm	Ua raws
Cov kuab tshuaj residual	Ethanol; Tsis ntau tshaj 0.5%	ND
	Cyclhexane; Tsis ntau tshaj 0.388%	0.08%
	Ethyl Acetate; Tsis ntau tshaj 0.5%	0.02%
	Toluene; Tsis ntau tshaj 0.089%	ND

Cov khoom kuaj	Hauv tsev Standard	Cov qhabnias xeem
Kev piav qhia	Dawb crystalline hmoov los yog crystalline hmoov	Ua raws
Kev txheeb xyuas	Infrared nqus	Ua raws
Solubility	Yuav luag insoluble hauv dej, yuav luag insoluble hauv 96% ethanol thiab ether	Ua raws
Assay	99.0 ~ 101.0%	99.50%
Poob rau ziab	≤ 12.0%	10.20%
Residue ntawm ignition	≤0. 10%	0.08%
pH	2.2-3.0 Nws	2.7
Chloride	≤100ppm	± 100 ppm
Tus kheej impurities	≤0.1%	± 0.1%
Tag nrho impurities	≤ 0.3%	± 0.3%
Cov hlau hnyav	≤ 20ppm	20 ppm
Coj	≤1ppm	1 ppm
Cadmium	≤0.5ppm	0.5 ppm
Mercury	≤ 0.1ppm	0.1 ppm
Arsenic	≤1ppm	1 ppm