GB/T 27501-2011
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
GOST 17227-1971
рН-метрия. Таблетки для приготовления рабочих буферных растворов
pH测量 用于制备工作缓冲溶液的片剂
DIN 19266
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
BS ISO 23496-2019
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
ISO 23496-2019
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
DIN 19267
pH measurement - Technical buffer solutions, preferably for the calibration of technical measuring installations
pH测量.技术缓冲溶液 最好用于校准技术测量装置
2012-08-01
BS ISO 23497-2019
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
ISO 23497-2019
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
GOST 4919.2-2016
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
ASTM E1910/E1910M-21
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
UNE 55539-14-1995
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
GOST 8.135-2004
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
GB/T 27502-2011
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
GB/T 30119-2013
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
GOST 29207-1991
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
GB/T 26812-2011
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
BS 7755-3.12-1996
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
ASTM D1725-12(2019)
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