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Indicators Chemistry: Accurate Lab Indicators & Kits
- Time of issue:Oct . 23, 2025 17:45
(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .
- Categories:Company dynamic
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- Time of issue:2019-12-30 10:55
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If you work around iron assays, plating baths, or water labs, you’ve met phen—probably more times than you’d admit. 1,10-Phenanthroline Anhydrate (CAS 66-71-7; synonyms: o-Phenanthroline; 1,10-Phenanthroline) keeps showing up because it’s reliable, quick, and—surprisingly—still improving with today’s QC standards. To be honest, the market for Indicators Chemistry is getting sharper: tighter impurity profiles, better documentation, and shorter lead times win the day. Two things I keep hearing: automation-friendly reagents and cleaner blank signals. Labs want phenanthroline that dissolves consistently and stays dry (anhydrate matters), because autosamplers hate surprises. Also, environmental labs cite ISO and APHA alignment as non-negotiables—no spec sheet, no PO. That’s the mood. Origin: 2-7-523 Jidong Building Materials, Tangshan, Hebei 064000, China. Molecular formula C12H8N2 (MW ≈ 180.2 g/mol). Light-sensitive; store cool and dry. It complexes Fe2+ to form that classic orange-red chromophore—yes, the one your spectro loves around 510 nm. Advantages I hear from bench chemists: sharp color formation, predictable blanks, and fewer “why is my curve drifting?” moments. In Indicators Chemistry, that repeatability saves time, reagents, and—frankly—reputation. Common asks: 25 g/100 g/500 g jars; nitrogen-packed bottles to fight moisture; added impurity maps (metals by ICP-OES). For teaching labs, some customers say pre-made reagent kits are a lifesaver during semester crunch. Manufacturing typically under ISO 9001; COA includes assay, moisture (KF), and residual metals (when requested). SDS follows GHS; REACH/RoHS statements available on request. Alignment with ISO 6332 and APHA 3500-Fe B is standard practice; labs with ISO 17025 appreciate traceability. Authoritative citations1,10-Phenanthroline Anhydrate for Indicators Chemistry: field notes, specs, and real-world use
Industry trend check
Product snapshot: 1,10-Phenanthroline Anhydrate
Parameter
Typical Spec (≈)
Notes
Assay (GC/HPLC)
≥ 99.0%
Real-world use may vary by method
Water (Karl Fischer)
≤ 0.5%
Critical for consistent complexation
Melting point
≈ 260 °C (decomp.)
Reference only
Solubility
EtOH/MeOH/MeCN: good; Water: low
Use ethanol-water mixes for reagent prep
Shelf life
24–36 months sealed
Protect from light and moisture
Process flow and testing standards
Where it fits (and why it works)
Vendor snapshot (what buyers actually compare)
Vendor
Purity
Docs (COA/SDS)
Lead Time
Customization
Price (≈)
Moneidechem (Hebei)
≥99%
Full pack incl. trace impurities
1–2 weeks
Particle size, packaging, QC reports
$$
Vendor A (EU)
98–99%
Standard COA
2–4 weeks
Limited
$$$
Vendor B (US)
≥98%
COA + SDS
Stock-dependent
Custom pack sizes
$$–$$$
Customization & packaging
Mini case files
Certifications, test data, compliance
Moneide Chemicals
