GOST 27979-1988
Organic fertilizers. pH determination method

Standard No.

GOST 27979-1988

Release Date

1988

Published By

RU-GOST R

Latest

GOST 27979-1988

GOST 27979-1988 Referenced Document

• GOST 12026-1976 Laboratory filter paper. Specifications
• GOST 17227-1971 pH-measuring. Tablets for preparing the working buffer solutions
• GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
• GOST 24363-1980 Reagents. Potassium hydroxide. Specifications
• GOST 25336-1982 Laboratory glassware and equipment. Basic parameters and dimensions
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 4234-1977 Reagents. Potassium chloride. Specifications
• GOST 6709-1972 Distilled water. Specifications
• 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

GOST 27979-1988 history

• 1988 GOST 27979-1988 Organic fertilizers. pH determination method