pH值测定用缓冲溶液制备方法
Preparation method of buffer solutions for the measurement of pH value

2011-10-31

рН-метрия. Таблетки для приготовления рабочих буферных растворов
pH测量 用于制备工作缓冲溶液的片剂

pH measurement - Reference buffer solutions for the calibration of pH measuring equipment
pH测量.pH测量设备校准用参考缓冲溶液

2015-05-01

Determination of pH value — Reference buffer solutions for the calibration of pH measuring equipment
pH值的测定 pH测量设备校准用参考缓冲溶液

2019-07-12

Determination of pH value. Reference buffer solutions for the calibration of pH measuring equipment
pH值的测定 pH测量设备校准用参考缓冲溶液

2019-07-16

Determination of pH value — Technical buffer solutions for the calibration of technical measuring installations
pH值的测定.技术测量装置校准用技术缓冲溶液

2019-07-12

Determination of pH value. Technical buffer solutions for the calibration of technical measuring installations
pH值的测定 技术测量装置校准的技术缓冲解决方案

2019-07-16

Реактивы и особо чистые вещества. Методы приготовления буферных растворов
试剂和特殊纯度的事项 缓冲溶液的制备方法

2016-06-28

Standard Test Method for Agricultural pH Control Agents, Measurement of pH Change and Buffering Capacity
农业pH控制剂的标准测试方法 pH变化和缓冲能力的测量

2021-04-01

SURFACE ACTIVE AGENTS. METHODS FOR PREPARATION, STANDARDIZATION AND STORAGE OF STANDARD SOLUTIONS TO BE USED IN VOLUMETRIC ANALYSIS OF SURFACE ACTIVE AGENTS AND FORMULLATIONS CONTAINING THEM. PART 14: STANDARD SOLUTIONS WITH BUFFERED PH.
表面活性剂 表面活性剂及其制剂容量分析用标准溶液的制备、标准化和储存方法 第14部分:缓冲PH值的标准溶液

1995-04-06

电导率测量用校准溶液制备方法
Preparation method of reference solutions for the measurement of conductivity

2011-10-31

Государственная система обеспечения единства измерений. Стандарт-титры для приготовления буферных растворов - рабочих эталонов рН 2-го и 3-го разрядов. Технические и метрологические характеристики. Методы их определения
确保测量一致性的状态系统 用于制备缓冲溶液的标准材料的重量淀粉 - 第2和第3类工作pH标准 技术和计量特征 测定方法

2004-12-08

原子吸收测量用校准溶液制备方法
Preparation method of calibration solution for atomic absorption measurement

2013-12-17

离子选择电极校准溶液制备方法
Preparation method of reference solutions for the measurement of ion selective electrodes

2011-07-29

Мочевина (карбамид) техническая. Потенциометрический метод измерения рН раствора мочевины условной концентрации
工业用尿素测量常规浓度的尿素溶液的pH值 电位法

Soil quality. Chemical methods-Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8.1
土壤质量 化学方法 用pH=8.1的氯化钡缓冲溶液测定潜在阳离子交换容量和可交换阳离子

1996-02-15

Standard Practice for Preparing Resin Solutions for Viscosity Measurement by Bubble Time Method
用气泡时间法测量粘度用树脂溶液制备的标准实施规程

2019-06-01