\u0413\u041e\u0421\u0422 4919.2-2016
Reagents and matters of special purity. Methods for preparation of buffer solutions
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
\u0413\u041e\u0421\u0422 8.135-2004
State system for ensuring the uniformity of measurements. Weight amouhts of the standard materials for preparation of the buffer solutions - operational pH standards of 2-nd and 3-rd classes. The technical and the metrological characteristics. Methods of them determination
KS I ISO 13536-2008
Soil quality-Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8.1
\u0413\u041e\u0421\u0422 4919.2-77
Reagents and matters of special purity. Methods for preparation of buffer solutions
CEN/TS 17403:2021
ISO 13536:1995
Soil quality — Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8,1
GB/T 27501-2011
Preparation method of buffer solutions for the measurement of pH value
DIN CEN/TS 17403
Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7.5 at 100 ¿C; German version CEN/TS
BS PD CEN/TS 17403:2021
Fertilizers. Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °C
HJ/T 300-2007
Solid waste-Extraction procedure for leaching toxicity-Acetic acid buffer solution method
ASTM D5032-19
Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions
MIL MIL-G-18694A Notice 1-Validation 1
GLYCERIN-WATER MIXTURES (FOR HYDRAULIC BUFFERS AND RECOILS)
JB/T 8276-1999
Preparation method of buffer solution for the measurement of pH
JB/T 8276-1995
KS I ISO 14870-2018(2024)
Soil quality — Extraction of trace elements by buffered DTPA solution
KS I ISO 14870-2018
Soil quality — Extraction of trace elements by buffered DTPA solution
CID A-A-53826
BUFFER SOLUTION (STANDARD)
DIN 19266
pH measurement - Reference buffer solutions for the calibration of pH measuring equipment
CID A-A-53018
BUFFER SOLUTION, STANDARD (PH)