DL-酒石酸氢胆碱

Name: DL-酒石酸氢胆碱 USP
Brand: Treering group limited
Rating: 4.5 (99 reviews)

发布询盘

DL-酒石酸氢胆碱的主要功能和应用

功能

应用

Item	Specification	Results	Test Method
Appearance	White Hygroscopic Crystal	Conform	Visual Identification
A&B	Passes USP Test	Conform	USP
Assay before Coating	99.0–100.5%	99.74%	USP<541>
Assay after Coating	98.0–99.5%	98.56%	USP<541>
Choline	40.3–40.9%	40.53%	Titration
Water	NMT 0.5%	0.15%	USP<731>
pH(1 in 10)	3.0–4.0	3.46	USP<791>
Residue on Ignition	NMT 0.1%	0.02%	USP<281>
Silicon Dioxide	0.5–1.0%	0.80%	USP<281>
Heavy Metals	NMT 10 ppm	Conform	USP<231>
Lead	NMT 1 ppm	Conform	USP<730>
Arsenic	NMT 0.3 ppm	Conform	USP<730> Cadmium
Cadmium	NMT 0.2 ppm	Conform	USP<730>
Mercury	NMT 0.1 ppm	Conform	USP<730>
Residual Solvent	Meets the Requirements	Conform	USP<467>
1,4-Dioxane	NMT 10 ppm	Conform	USP<467>
Total Amines	NMT 10 ppm	Conform	USP Chromatographic
Purity	—	USP	—
Individual Impurities	NMT 0.3%	Conform	—
Total Impurities	NMT 2.0%	Conform	—
Total Plate Count	NMT 1000 cfu/g	Conform	USP<61>
Yeast and Mold	NMT 100 cfu/g	Conform	USP<61>
E.coli	Negative/10g	Conform	USP<62>
*Salmonella	Negative/25g	Conform	USP<62>
*Staphylococcus	Negative/10g	Conform	USP<62>
Bulk Density	0.40–0.60g/ml	0.50g/ml	USP<616>
Tapped Density	—	0.59g/ml	—
Particle Size	Through 20 meshThrough 40 meshThrough 60 meshThrough 80meshThrough 100mesh	100%66.73%47.49%31.46%22.44%	USP<786>

结论: 本产品符合标准。
包装: 25 千克/Drum
储存方法: 请存放于阴凉干燥环境，避免光照、高温及与空气氧气接触。

上海萃瑞生物专业从事DL-酒石酸氢胆碱生产和出口业务，我们已经从事生产销售DL-酒石酸氢胆碱已经10年，如果您有合作需求，请随时联系我们。

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