Industrial Polyaluminum Chloride PAC Yellow Powder for Water-Purification Assessment
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ColorYellowPhysical formPowder
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CAS No.101707-17-9Purity99.5%
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Appearanceyellow powderApplicationwater purification treatment
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ClassificationChlorideEINECS No.215-477-2
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Grade StandardAgriculture Grade, Industrial Grade, Reagent GradeMolecular FormulaAl2Cl(OH)5
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Other NamesPACTypePOLYALUMINUM CHLORIDE
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CAS101707-17-9
For an industrial water-purification enquiry, this yellow PAC powder needs to be assessed against the actual water and treatment objective. The polyaluminum chloride name identifies the material family, while offered-grade composition and representative results determine what can be accepted.
Establish the PAC analytical basis
Request current analysis defining aluminum-content basis, basicity and relevant impurities. An unspecified purity figure should not be converted into aluminum-oxide content or used as an effective treatment-strength value.
- Powder preparation
- Obtain preparation characteristics and instructions for the actual offered grade.
- Composition records
- Match the analytical basis and methods to current technical information.
- Safety records
- Confirm applicable handling requirements through the corresponding safety documentation.
Describe the water before choosing treatment criteria
Provide the source-water characteristics, intended treatment result and operating context. Representative tests should establish the relevant process and acceptance criteria rather than deriving a dose from yellow appearance or a general PAC label.
Separate treatment evidence from approval claims
No removal efficiency, potable-water approval or regulatory compliance is established by the application wording. Obtain the evidence appropriate to the actual use, with any required qualification matched to the offered grade.
The formula representation and chemical identifiers should also agree with current material records; the polymer name alone does not verify a single molecular composition. Bring the confirmed analysis and preparation information together with water-specific results so the comparison addresses the PAC actually offered and the treatment conditions being evaluated.



