The kit contains a set of seven brownish yellow color reference standards (identified sequentially from BY1 to BY7) and 3 empty sample cells. The solutions are produced from 3 primary metal salt solutions of ferric (III) chloride, cobalt (II) chloride, and copper (II) sulfate, in accordance with chapter 2.2.2 ′Degree of colouration of liquids ...

棕黄色标准比色液BY系列（BY1-BY7）（欧洲药典），标准物质分析、查询、购买，产品编号:BWQ8105-2016，规格:10mL/支；7支/套，形态:液态，基质:10g/L盐酸，存放条件:食品和环境比色，欢迎选购

2022年3月27日 · For each of the matching fluids of B-series (B1 to B9), BY series (BY1 to BY7), Y-series (Y1 to Y7), GY-series (GY1 to GY7) and R-series (R1 to R7), the primary matching solutions for individual color are prepared first by mixing the three colorimetric stock solutions as directed in Table 2.65-2, then mix the primary matching solution for ...

Colour Reference Solutions BY for examination of the colour of solutions related to Ph.Eur. method 1 (BY1-BY7) Certipur® - Find MSDS or SDS, a COA, data sheets and more information.

色度标准溶液BY 用于检查有关欧洲药典方法1（BY1-BY7）溶液的颜色 Certipur® - Find MSDS or SDS, a COA, data sheets and more information.

本标准物质的浓度标准值采用配制值，并用紫外可见分光光度法进行量值核验。 通过使用满足计量学特性要求的制备、测量方法和计量器具，保证标准物质量值的溯源性。 三、特性量值及不确定度. 标准值的扩展不确定度主要由原料纯度、称量、定容以及均匀性、长期稳定性等不确定度合成。 四、均匀性检验及稳定性考察. 根据国家《一级标准物质》技术规范，对分装后的样品进行随机抽样，采用紫外可见分光光度法对该标准物质进行均匀性检验和长期稳定性跟踪考察。 结果表 …

Reagecon’s BY7 Colour Reference Solution is formulated as a reference solution for the examination of the degree of colouration of liquids in accordance with the European Pharmacopoeia Chapter 2.2.2. This product is produced by combining Reagecon Primary Colour Solutions. - Concentration verified using a high performance spectrophotometer

Products > Standards > Color Standards > EP Colorimetric Standards > 2877 ( R2877000 )

2025年3月3日 · Reagecon’s BY1 to BY7 Colour Reference Set is formulated as a set of reference solutions for the examination of the degree of colour of liquids in accordance with the European Pharmacopoeia Chapter 2.2.2. These products are produced by combining Reagecon Primary Colour Solutions - Concentration verified using a high performance spectrophotometer

产品编号:EPCRS-BY106 中文名称:色度参比溶液-棕黄色:套装BY1-BY7 英文名称:EP Colour Reference Solutions BY (brownish yellow):BY1-BY7 +empty bottle CAS NO. :N/A 包装规格:1kit (7x2 ml) 浓度/纯度:N/A