大部分的食用色素必须在使用规范和纯度上符合一定的法律标准。
Most food colours must meet certain legal criteria for specifications and purity.
高纯度、定值准确可靠、良好的溯源性和系列性是这些标准物质的特点。
The characteristic of these CRMs high purity, accurate certified value, good traceability and seriation are described.
在生产过程中控制药物产品的质量，以确保它们符合效价，纯度，均匀性，稳定性和安全标准。
Control the quality of drug products during production to ensure that they meet standards of potency, purity, uniformity, stability and safety.
本文讨论把触媒的使用特性及使用后氢气纯度的标准、计量等问题。
This paper discusses the operating characteristics of palladium catalyst and the purity standard and measuring etc. problems of hydrogen after the usage of palladium catalyst.
此外，还介绍了基于C IE标准体系的色度计算方法，以及颜色的主波长和色纯度等视觉色度参数。
In addition, the method of CIE chromaticity calculation, together with the visual colorimetric parameters, dominant wavelength and color purity, are also presented in this article.
产品的晶型、白度和纯度等达到质量标准。
The crystal shape, whiteness, purity of products are up to quality standard.
本研究为“中国玉米新品种标准DNA指纹库建立”、玉米品种真实性鉴定和纯度检测提供参考。
This study was reference for "Research on Establishing DNA Fingerprinting database of Chinese New maize cultivars" and the purity and reality identification of maize cultivars.
通过正交实验得出最佳反应条件，制得的超细氧化锌粉料经组分分析、结构分析表明，其粒径、纯度、比表面积和晶型均符合相关标准。
The powders were tested by chemical composition analysis and construction analysis. The size of the powder, the purity and the specific area were all better than those of standard.
方法：以新鲜鸡蛋为原料提取并制备了卵磷脂，并对卵磷脂的纯度、含量、氧化程度以及质量标准进行考察。
METHODS: the lecithin was extracted and prepared from fresh yolks. The purity, the content, the percentage of oxidation and the quality standard were studied.
本标准溶液以纯度为99%间硝基甲苯在超净实验室中准确配制并分装于5毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with m-nitrotoluene (99%) and sub-packed in 5ml ampoules.
本标准溶液以纯度为99.9%邻硝基甲苯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with o-nitrotoluene (99.9%) and sub-packed in 2ml ampoules.
反应产物经减压精馏、碱洗、水洗、干燥等精制处理，得到了纯度较高的M PC标准品。
The high-purity MPC standard sample was obtained by reduced pressure distillation and the removal of minor phenol with dilute sodium hydroxide solution.
处理后二氧化碳纯度高，达到GD 1917- 80《食品添加剂液体二氧化碳》标准。
After processing, high purity carbon dioxide GD1917-80 standard for food additives, liquid carbon dioxide.
符合最严格的标准，包括加州纯度65。
Conforms to the strictest standards for purity, including California's Proposition 65.
标准纯银币或银币的英国货币制度，标准纯度为银币0。500，金币0。91666。
British coinage of silver or gold, having as a standard of fineness0.500 for silver and0.91666 for gold.
这意味着这些草本在质量、纯度、效力、标示和组成都是最高标准的。
That means that these herbs meet the highests standards set for quality, purity, strength, identity and composition.
光学级紫外截止到400纳米，大于标准等级的光学纯度。
Optical grade with UV cut-off up to 400 nm, greater optical purity than standard grades.
为确保全球供应链中对低聚糖纯度，质量，一致性，真实性和安全性的要求，有必要开发制定可靠的测试标准和对照品。
To ensure the purity, quality, consistency, authenticity and thus safety of oligosaccharides in the global supply chain, reliable testing standards and reference materials are needed.
Schiff注重使用最好的成分来确保每个产品都能达到严格的标准：特性，纯度，稳定。
Schiff emphasizes the use of only the finest ingredients to ensure every product meets strict standards for identity, purity and stability.
北欧Naturals的产品在使用超过所有的鱼油纯度和新鲜度最严格的国际标准。
All fish oils used in Nordic Naturals products surpass the strictest international standards for purity and freshness.
结果表明：用该法纯化的苯噻酰草胺标样纯度与国外进口标样相近，能够作为商检以及残留分析用的标准物质。
The content of mefenacet of purified sample, which can be used the standard sample of commodity inspection and the analysis of residue, is almost the same as that of imported standard sample.
本标准溶液以纯度为99%间甲酚在超净实验室中准确配制并分装于5毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with m-cresol (99%) and sub-packed in 5ml ampoules.
本标准溶液以纯度为99%氯苯在超净实验室中准确配制并分装于5毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with chlorobenzene (99%) and sub-packed in 5ml ampoules.
本标准溶液以纯度为99%硝基苯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with nitrobenzene (99%) and sub-packed in 2ml ampoules.
本标准溶液以纯度为99%对二氯苯在超净实验室中准确配制并分装于5毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with p-dichlorobenzene(99%) and sub-packed in 5ml ampoules.
本标准溶液以纯度为99%对二氯苯在超净实验室中准确配制并分装于5毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with p-dichlorobenzene(99%) and sub-packed in 5ml ampoules.
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