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ph standard sample

ph standard sample, Total:12 items.

In the international standard classification, ph standard sample involves: Analytical chemistry, Water quality, Hydraulic fluids, General methods of tests and analysis for food products.

American Society for Testing and Materials (ASTM), ph standard sample

• ASTM D5015-95 Standard Test Method for pH of Atmospheric Wet Deposition Samples by Electrometric Determination
• ASTM D5015-02 Standard Test Method for pH of Atmospheric Wet Deposition Samples by Electrometric Determination
• ASTM D5015-15(2022) Standard Test Method for pH of Atmospheric Wet Deposition Samples by Electrometric Determination
• ASTM D5015-15 Standard Test Method for pH of Atmospheric Wet Deposition Samples by Electrometric Determination
• ASTM D8294-21 Standard Practice for Estimating pH to Verify Status of Aqueous Samples
• ASTM D7946-14 Standard Test Method for Initial pH 40;i-pH41;-Value of Petroleum Products

RU-GOST R, ph standard sample

• GOST 8.135-1974 State system for ensuring the uniformity of measurements. pH measuring. Standard-titres material dose for making 2nd class standard buffer solutions. Specifications

NL-NEN, ph standard sample

• NEN 5750-1989 Soil - Determination of pH in soit samples

Association Francaise de Normalisation, ph standard sample

• NF T01-012:1973 Ph-measurement-standard solutions for calibration of ph-meters.

National Health Commission of the People's Republic of China, ph standard sample

• GB 5009.237-2016 Determination of pH value of food in national food safety standard

RO-ASRO, ph standard sample

• STAS 8619/2-1990 Ph-measurement. Standard ph buffer solutions

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ph standard sample

• GB/T 15000.6-1996 Directives for the work of reference materials(6). General rules for package of certified reference materials

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