JADAM Organic Farming & Gardening - Jadam sulfur. Some ask about having to use phyllite and red clay powder. I replaced them with "river sand" just because that was the finest particle
![ISO 6528-3:1988 - Rubber — Determination of total sulfur content — Part 3: Furnace combustion method ISO 6528-3:1988 - Rubber — Determination of total sulfur content — Part 3: Furnace combustion method](https://cdn.standards.iteh.ai/images/12917/e1d8dca18feb4ff78ba13f808694e2d3/page1.jpg)
ISO 6528-3:1988 - Rubber — Determination of total sulfur content — Part 3: Furnace combustion method
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