上海惠诚生物 提供NIST-1849A 婴儿/ 成人营养粉（牛奶） - 微量元素和营养物质，组分如下：
NIST-1849a is intended primarily for validation of methods for determining proximates, fatty acids, vitamins, elements, amino
acids and nucleotides in infant and adult nutritional formulas and similar materials. It can also be used for quality assurance
when assigning values to in-house reference materials. This material is a milkbased, hybrid infant/adult nutritional powder
prepared by a manufacturer of infant formula and adult nutritional products. A unit of NIST-1849a consists of 10 packets, each
containing approximately 10 g of material.
Certified mass fraction values for fatty acids as free fatty acids and cholesterol
Octanoic acid (C8:0) ............................................................... 0.588 ± 0.049%
(Caprylic acid)
Dodecanoic acid (C12:0) .......................................................... 2.877± 0.092%
(Lauric acid)
Tetradecanoic acid (C14:0) .................................................... 0.968 ± 0.032%
(Myristic acid)
(Z)-9-Tetradecenoic acid (C14:1) ........................................ 0.0023 ± 0.0001%
(Miyristoleic acid)
Hexadecanoic acid (C16:0) ........................................................1.99 ± 0.22 %
(Palmitic acid)
(Z)-9-Hexadecenoic acid (C16:1 n-7) .................................. 0.0221 ± 0.0014%
(Palmitoleic acid)
Octadecanoic acid (C18:0) ...................................................... 0.835 ± 0.017%
(Stearic acid)
(Z)-9-Octadecenoic acid ............................................................... 10.2 ± 1.1%
(C18:1 n-9) (Oleic acid)
(Z)-11-Octadecenoic acid (C18:1 n-7) ................................ 0.2034 ± 0.0068%
(Vaccenic acid)
(Z,Z)-9,12-Octadecadienoic acid (C18:2 n-6) ............................. 5.24 ± 0.42%
(Linoleic acid)
(Z,Z,Z)-9,12,15-Octadecatrienoic acid (C18:3 n-3) .................. 0.516 ± 0.050%
(α-Linolenic acid)
Eicosanoic acid (C20:0) ...................................................... 0.0808 ± 0.0026%
(Arachidic acid)
(Z)-11 Eicosenoic acid (C20:1 n-9) ..................................... 0.0589 ± 0.0037%
(Gondoic acid)
Docosanoic acid (C22:0) ...................................................... 0.0642 ± 0.024%
(Behenic acid)
Tetracosanoic acid (C24:0) ................................................. 0.0333 ± 0.0016%
(Lignoceric acid)
(Z)-15-Tetracosenoic acid (C24:1 n-9) ................................. 0.0207 ± 0.0015%
(Nervonic acid)
Certified mass fraction values for selected elements
Ca ..................................................... 5253 ± 51 mg/kg Mo ............................................. 1.707 ± 0.040 mg/kg
Cu ................................................ 19.78 ± 0.26 mg/kg P ..................................................... 3990 ± 140 mg/kg
Cr ............................................... 1.072 ± 0.032 mg/kg K ..................................................... 9220 ± 110 mg/kg
Fe .................................................... 175.6 ± 2.9 mg/kg Se ............................................... 0.812 ± 0.029 mg/kg
Mg .................................................... 1648 ± 36 mg/kg Na ...................................................... 4265 ± 83 mg/kg
Mn .................................................... 49.2 ± 1.4 mg/kg Zn .................................................... 151.0 ± 5.6 mg/kg
Certified concentrations for selected vitamins
Ascorbic acid (Vitamin C) ...................................................... 784 ± 65 mg/kg
Thiamine (Vitamin B1) Hydrochloride .............................. 12.57 ± 0.98 mg/kg
Riboflavin (Vitamin B2) ................................................... 20.37 ± 0.52 mg/kg
Niacinamide........................................................................... 109 ± 10 mg/kg
Pantothenic acid ................................................................. 68.2 ± 1.9 mg/kg
Pyridoxine (Vitamin B6) Hydrochloride .......................... 13.46 ± 0.93 mg/kg
Folic acid ........................................................................ 2.293 ± 0.062 mg/kg
Biotin ................................................................................. 1.99 ± 0.13 mg/kg
Choline ion ........................................................................ 1090 ± 110 mg/kg
Carnitine ............................................................................... 136 ± 14 mg/kg
Retinol (Vitamin A) ............................................................ 7.68 ± 0.23 mg/kg
Cholecalciferol (Vitamin D3) ......................................... 0.111 ± 0.017 mg/kg
Phylloquinone (Vitamin K1) ............................................. 1.06 ± 0.17 mg/kg
Reference values for selected fatty acids as triglycerides, proximate, cholesterol, lactose, and calories, selected vitamins,
amino acids and nucleotides
Reference values for selected fatty acids as triglycerides, proximate, cholesterol, lactose, and calories, selected vitamins,
amino acids and nucleotides

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美国国家标准技术研究所（National Institute of Standards and Technology，简写为NIST）的前身为国家标准局（NBS，1901年~1988年），是一家测量标准实验室，属于美国商务部的非监管机构。该研究所的官方使命为： 

Promote U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.

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技术指导发展委员会（TGDC）
地震减灾咨询委员会（ACEHR）
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购买食品检测基质标准品 NIST-1849A ，请致电 上海惠诚生物科技有限公司  021-60498804