嗍砜固黑F用于EDTA滴定。它可能顯示為紫色,并帶有銅絡合物,使用EDTA變?yōu)榫G色。嗍砜固黑F也可以用作污漬。
Fast Sulphon Black F is used for titrations with EDTA. It may appear purple with a copper complexation and change to green with EDTA. Fast Sulphon Black F may also be used as a stain.
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