GRADE & PURITYBioReagent?BioReagent grade — tested suitable for life-science and molecular-biology use. Use for cell culture, assays, and biochemical work needing biological compatibility.
BioReagent BioReagent for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping
Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.
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Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Overview
This method is based on the colorimetric reaction of nitro‑PAPS with Zn²⁺ in alkaline solution to form a purple complex, which exhibits a characteristic absorption peak at 570 nm. Interfering ions such as Cu²⁺ and Fe³⁺ in the reaction system can be effectively masked by adjusting the pH and adding a chelating agent.
Storage and Shipping
Storage
Store at 2-8°C
Shipped In
Wet ice
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
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