Cov vitamins

1 2 Tom ntej >>> Nplooj Ntawv 1 / 2

Kev Ntsuam Xyuas	Cov Lus Qhia Tshwj Xeeb	Cov txiaj ntsig
Qhov tsos	Cov hmoov crystalline daj	Cov hmoov crystalline daj
Qhov Kub Yaj	60.0-62.0°C	60.8 ℃
Kev txheeb xyuas	HPLC: Cov kua theem nrhiav spectrum yog sib xws nrog tus qauv	Ua raws li
Kev txheeb xyuas	IR: Kev nqus spectrum ua raws li nrog Tus Qauv Siv	Ua raws li
Kev sib hloov tshwj xeeb	-1.0°~+1.0°	Ua raws li
Poob thaum ziab	Tsis pub ntau tshaj 0.2%	0.04%
Cov seem ntawm kev hlawv	Tsis pub ntau tshaj 0.1%	0.07%
Cov hlau hnyav	Tsis pub ntau tshaj 10ppm	Ua raws li
Cov kuab tshuaj seem	Ethanol; Tsis pub ntau tshaj 0.5%	ND
	Cyclohexane; Tsis pub ntau tshaj 0.388%	0.08%
	Ethyl Acetate; Tsis pub ntau tshaj 0.5%	0.02%
	Toluene; Tsis pub ntau tshaj 0.089%	ND

Cov khoom sim	Tus Qauv Hauv Tsev	Cov txiaj ntsig ntawm kev xeem
Kev piav qhia	Cov siv lead ua dawb los yog hmoov crystalline	Ua raws li
Kev txheeb xyuas	Kev nqus infrared	Ua raws li
Kev yaj tau	Yuav luag tsis yaj hauv dej, yuav luag tsis yaj hauv 96% ethanol thiab ether	Ua raws li
Kev Ntsuas	99.0~101.0%	99.50%
Poob thaum ziab	≤12.0%	10.20%
Cov seem ntawm kev hlawv	≤0. 10%	0.08%
pH	2.2~3.0	2.7
Chloride	≤100ppm	<100ppm>
Cov khoom tsis huv ntawm tus kheej	≤0.1%	<0.1%
Tag nrho cov khoom tsis huv	≤0.3%	<0.3%
Cov hlau hnyav	≤20ppm	<20ppm>
Cov hlau lead	≤1ppm	<1ppm>
Cadmium	≤0.5ppm	<0.5ppm>
Mercury	≤0.1ppm	<0.1ppm>
Arsenic	≤1ppm	<1ppm>