ISO 6598:1985 (R2023)
Active , Reaffirmed Standard
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ISO 6598:1985 (R2023)

Fertilizers — Determination of phosphorus content — Quinoline phosphomolybdate gravimetric method
Most recent standard

Summary

The method consists in precipitating, after hydrolysis if necessary, of orthophosphate ions in the form of quinoline phosphomolybdate, in an acid medium and in the presence of acetone, at approximately 75 °C, followed by filtrating, washing drying and weighing of the precipitate obtained.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 09/19/1985
Confirmation Date 03/13/2023
Edition 1
Page Count 3
EAN ---
ISBN ---
Weight (in grams) ---
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