质谱法检测——维生素测定金标准-百灵威

维生素是人体六大营养素之一，是维持生命活动必需的营养物质。维生素一般分为脂溶性和水溶性两大类。脂溶性维生素包括维生素A、D、E、K；水溶性维生素主要有B族维生素和维生素C。

维生素缺乏或过量均会影响机体其他营养素，临床维生素检测可提高维生素使用安全性和有效性。检测分析血清中维生素水平对指导孕产妇、婴幼儿、儿童、老年人等合理补充维生素有重要意义。

现有维生素检测方法包括毛细管电泳法、电化学分析法、高效液相色谱法、高效液相色谱质谱联用法等，其中高效液相色谱质谱法具有高灵敏度、高精准度、高通量等特点，被誉为临床维生素测定的“金标准”。

品名	CAS	货号
VitaminK1-d7, 98%, reference material 维生素K1-D7	1233937-39-7	920781
α-Tocopherol-d6, 98%, reference material α-维生素E-D6	113892-08-3	1753207
25-HydroxyvitaminD3-d6, 98%, reference material 25-羟基维生素D3-D6	78782-98-6	909048
25-HydroxyvitaminD3-d3, 98%, reference material 25-羟基维生素D3-D3	140710-94-7	993179
4-Pyridoxic acid-d3 4-吡哆酸-d3	1435934-03-4	1834522
25-HydroxyvitaminD3-d6, 98%, reference material 25-羟基维生素D3-D6	78782-98-6	909048
Menaquinone 4-d7, 97%, reference material 维生素K2(MK-4)-D7	1233937-25-1	2061214
Vitamin K1-d4, 98%, reference material 维生素K1-D4	5172-18-9	9332927

品名	CAS	货号
Cholecalciferol, 99%, reference material 维生素 D3	67-97-0	999177
Vitamin K1, 98%, reference material 维生素K1	84-80-0	915372
Pyridoxine, 98%, reference material 吡哆醇	65-23-6	225727
Thiamine hydrochloride, 99%, reference material 盐酸硫胺	67-03-8	937192
Riboflavin, 98%, reference material 维生素B2	83-88-5	993358
Calcifediol, 98% 骨化二醇	19356-17-3	377692
Calcium pantothenate, 98%, reference material 泛酸钙	137-08-6	945163
Vitamin B12, 98%, reference material 维生素B12	68-19-9	936039
L-Ascorbic acid, 99%, reference material L-抗坏血酸	50-81-7	911073
Nicotinamide, 99.5%, reference material 烟酰胺	98-92-0	951136
DL-α-Tocopherol, 97%, reference material DL-α-生育酚	10191-41-0	954138^新
D-γ-Tocopherol, 99%, reference material D-γ-生育酚	54-28-4	979733
Vitamin B1 nitrate, 98%, reference material 维生素B1硝酸盐	532-43-4	923271
Nicotinic acid, 99.5%, reference material 烟酸	59-67-6	976667
Pyridoxine hydrochloride, 99%, reference material 盐酸吡哆素	58-56-0	935133^新
Folic acid, 96%, reference material 叶酸	59-30-3	959977
D-Biotin, 99%, reference material D-生物素	58-85-5	925719
β-Carotene, 99%, reference material β-胡罗卜素	7235-40-7	937579
Vitamin A, 98%, reference material 维生素A	68-26-8	916241^新

品名	CAS	货号
Bovine serum albumin, 98%, Australia origin, low IgG, low fatty acid 牛血清白蛋白	9048-46-8	109636
DL-Dithiothreitol, 98%, for bio DL-二硫苏糖醇	3483-12-3	963376
Sodium chloride, 99.5%, for analysis 氯化钠	7647-14-5	937240
Formic acid, 98%, for analysis 甲酸	64-18-6	965653 危化品
Acetonitrile, 99.9%, HPLC/ACS 乙腈	75-05-8	134752 危化品
Methanol, 99.9%, HPLC/ACS 甲醇	67-56-1	116481 危化品

品名	CAS	货号
96 deep well plate, 0.8 ml, transparent,sterile, round-well,V-shaped Bottom,low retention, 5 pcs 96孔深孔板	/	920702
96 deep well plate, 2.0 ml, transparent,sterile, round-well,U-shaped Bottom,low retention, 5 pcs 96孔深孔板	/	901814
Hydrophilic PTFE syringe filter, non-sterile, 25 mm, 0.22 µm, 100 pcs/pack 亲水PTFE 针式过滤器	/	9217620
Sample vial, 2mL, 9 mm, clear glass screw thread vials with write-on spot 样品瓶	/	922054
Sample vial caps, 9 mm, red PTFE/white silicone septa, open, blue screw top cap 样品瓶瓶盖，9 mm, 红色PTFE/白色硅胶隔垫, 蓝色螺口开口瓶盖	/	940292
Single-channel mechanical pipettor, Volume range: 10 - 100 μL, Increment: 1.0 μL 单道手动可调移液器	/	1122424
Pipette tips, 10 μL, clear, 1000 tips/pack 移液器吸头	/	920067

质谱法检测——维生素测定金标准