Commodity inorganic chemicals should be the easy part of a procurement portfolio.
The specification is concise; the chemistry is old and many suppliers are quoting.
That apparent simplicity is exactly why qualification can be overlooked — and why the failures, when they come, arrive as an unexplained process deviation rather than a rejected delivery.
Using alkaline silicates as a worked example, Lina Tyan, General Manager at Shandong Zhongzhi Chemical Technology Co., Ltd, sets out what is worth verifying before a supplier is approved, which documents evidence quality and how to design incoming control around the failure modes that genuinely occur.
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