主题：【求助】求助几项ASTM标准

目前急需几项ASTM标准，希望大家帮忙，谢谢！
ASTM C50  Standard Practice for Sampling, Sample Preparation, Packaging, and Marking of Lime and Limestone Products
ASTM C51  Standard Terminology Relating to Lime and Limestone (as used by the Industry)
ASTM C911 Specification for Quicklime, Hydrated Lime, and Limestone for Chemical and Industrial Uses
ASTM D 1193 Specification for Reagent Water
ASTM E 29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ASTM E 50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
ASTM E 70 Test Method for pH of Aqueous Solutions With the Glass Electrode
ASTM E 173 Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals 3
ASTM E 200 Practice for Preparation, Standardization, and Storage
of Standard and Reagent Solutions for Chemical Analysis
ASTM E 691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 832 Specification for Laboratory Filter Papers