GB/T 27846-2011
ActiveChemicals--Measurement of viscosity using the H6ppler falling-ball viscometer
化学品 黏度测定 H6ppler 落球式黏度计法
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 术语和定义 → 4 符号、量和单位 → 5 测量范围 → 6 原理 → 7 计算方法 → 8 仪器 → 9 取样 → 10 准备 → 11 黏度计校准 Foreword → 1 Scope → 2 Normative References → 3 Terms and Definitions → 4 Symbols, Quantities and Units → 5 Measuring Range → 6 Principle → 7 Calculation Method → 8 Apparatus → 9 Sampling → 10 Preparation → 11 Calibration of Viscometer
Scope
This standard specifies the method for determining the dynamic viscosity of Newtonian liquids using the H6ppler falling-ball viscometer. This standard is applicable to the measurement of dynamic viscosity in the range of 0.6 mPa·s to 250 000 mPa·s at temperatures from -20 °C to 120 °C.
本标准规定了利用H6ppler落球式黏度计测定牛顿液体动力黏度的方法。本标准适用于测量--20℃～120℃温度下0.6 mPa·s～250 000 mPa·S范围内的动力黏度。
Normative References
Keywords
Application Summary AI generated
Laboratory technicians in chemical, petroleum, and pharmaceutical industries use this standard to accurately measure the dynamic viscosity of Newtonian liquids using the H6ppler falling-ball viscometer. It provides standardized measurement procedures, apparatus requirements, and uncertainty evaluation methods, ensuring comparability and reliability of results across different laboratories. This standard is critical for quality control, product development, and scientific research requiring precise viscosity determination.
化学、石油、制药等行业的实验室技术人员使用该标准，通过H6ppler落球式黏度计精确测量牛顿液体的动力黏度。该标准提供了标准化的测量步骤、仪器要求和不确定度评估方法，确保不同实验室间测量结果的可比性和可靠性。它对于质量控制、产品研发和科学研究中黏度参数的准确测定至关重要。
AI Summary AI generated
This standard specifies the method for measuring the dynamic viscosity of Newtonian liquids using the H6ppler falling-ball viscometer, applicable in the temperature range of -20 °C to 120 °C and viscosity range of 0.6 mPa·s to 250 000 mPa·s. It details the apparatus construction (including falling tube, spheres, thermostat), measurement procedures, sphere selection, falling time measurement, density determination, and result calculation. The standard also provides viscometer calibration methods, uncertainty evaluation, and test report requirements to ensure accuracy and reproducibility of measurements.
本标准规定了使用H6ppler落球式黏度计测定牛顿液体动力黏度的方法，适用于-20℃至120℃温度范围内0.6 mPa·s至250 000 mPa·s的黏度测量。标准详细描述了仪器结构（包括下落管、球体、恒温器等）、测量步骤、球体选择、下落时间测量、密度测定以及结果计算。同时提供了黏度计校准方法、不确定度评估和试验报告要求，确保测量结果的准确性和可重复性。
Key Sentences extracted from text
本标准规定了利用H6ppler落球式黏度计测定牛顿液体动力黏度的方法。
本标准适用于测量--20℃～120℃温度下0.6 mPa·s～250 000 mPa·S范围内的动力黏度。
在一个装满检测液体的倾斜圆柱形管内测量一个球体在重力作用下穿过一段用标记(计量长度)标出的距离所需的时间。
该方法利用从斯托克斯定律得出的黏度计公式，见式(1)：η=K×(ρk-ρf)×t×f。
黏度计(见图1)由一个装有待测液体的下落管和一个经过选择适合液体黏度的球体组成。
This standard specifies the method for determining the dynamic viscosity of Newtonian liquids using the H6ppler falling-ball viscometer.
This standard is applicable to the measurement of dynamic viscosity in the range of 0.6 mPa·s to 250 000 mPa·s at temperatures from -20 °C to 120 °C.
The time required for a sphere to fall under gravity through a distance marked by marks (measuring length) in an inclined cylindrical tube filled with the test liquid is measured.
The method uses the viscometer formula derived from Stokes' law, see equation (1): η=K×(ρk-ρf)×t×f.
The viscometer (see Figure 1) consists of a falling tube containing the liquid to be tested and a sphere selected to suit the viscosity of the liquid.