# Substances

Manufacturing reference articles in Substances.

[Manufacturing Wiki](https://planar.so/wiki/index.md)

- [Acetone](https://planar.so/wiki/chemicals/substances/acetone.md): Acetone identity, condition-specific physical data, commercial grade distinctions, and the limits of product specifications and safety data.
- [Ammonium persulfate](https://planar.so/wiki/chemicals/substances/ammonium-persulfate.md): Chemical identity, supplied grades, property bases, and source limits for ammonium peroxydisulfate.
- [Boric acid](https://planar.so/wiki/chemicals/substances/boric-acid.md): Orthoboric acid identity, commercial grade distinctions, property reporting bases, aqueous chemistry, and thermal transformations.
- [Citric acid](https://planar.so/wiki/chemicals/substances/citric-acid.md): Citric acid identity, hydrate and assay bases, source-specific physical properties, and limits of chelation and compatibility claims.
- [Copper sulfate](https://planar.so/wiki/chemicals/substances/copper-sulfate.md): Copper(II) sulfate forms, assay and copper-equivalent bases, source-specific properties, and evidence limits.
- [Deionized water](https://planar.so/wiki/chemicals/substances/deionized-water.md): Ion removal, conductivity and resistivity, purity grades, and the limits of deionized-water claims.
- [Ethanol](https://planar.so/wiki/chemicals/substances/ethanol.md): Ethanol identity, condition-specific physical properties, concentration bases, commercial grades, and the limits of product and safety evidence.
- [Ferric chloride](https://planar.so/wiki/chemicals/substances/ferric-chloride.md): Iron(III) chloride forms, supplier assay bases, physical-property limits, and bounded aqueous chemistry.
- [Hydrochloric acid](https://planar.so/wiki/chemicals/substances/hydrochloric-acid.md): Hydrogen chloride and aqueous hydrochloric acid identity, commercial assays, concentration bases, physical-property limits, and dated hazard evidence.
- [Hydrogen peroxide](https://planar.so/wiki/chemicals/substances/hydrogen-peroxide.md): Hydrogen peroxide identity, aqueous grades, assay and active oxygen bases, conditional physical properties, and source-specific hazard evidence.
- [Isopropyl alcohol](https://planar.so/wiki/chemicals/substances/isopropyl-alcohol.md): Isopropanol identity, commercial grades, concentration bases, condition-specific physical data, and the limits of technical and safety documents.
- [Nickel acetate](https://planar.so/wiki/chemicals/substances/nickel-acetate.md): Nickel(II) acetate identities, hydration and metal-content bases, supplier assays, physical-property limits, and dated hazard evidence.
- [Nickel chloride](https://planar.so/wiki/chemicals/substances/nickel-chloride.md): Nickel(II) chloride forms, formula-equivalent quantities, supplier assay bases, and limits of physical and aqueous-chemistry data.
- [Nickel sulfate](https://planar.so/wiki/chemicals/substances/nickel-sulfate.md): Nickel(II) sulfate forms, nickel and salt mass bases, product assays, and limits of physical and aqueous property data.
- [Nitric acid](https://planar.so/wiki/chemicals/substances/nitric-acid.md): Nitric acid identity, aqueous and fuming forms, assay terminology, product-specific properties, and limits of safety and lot evidence.
- [Oxalic acid](https://planar.so/wiki/chemicals/substances/oxalic-acid.md): Oxalic acid identity, anhydrous and dihydrate forms, assay and water bases, source-specific physical properties, and evidence limits.
- [Phosphoric acid](https://planar.so/wiki/chemicals/substances/phosphoric-acid.md): Orthophosphoric acid identity, aqueous grades, assay and phosphorus reporting bases, conditional physical data, and source limitations.
- [Potassium hydroxide](https://planar.so/wiki/chemicals/substances/potassium-hydroxide.md): KOH identity, solid and aqueous forms, documented hydrates, analytical bases, and limits of product and hazard data.
- [Sodium carbonate](https://planar.so/wiki/chemicals/substances/sodium-carbonate.md): Sodium carbonate identities, hydrate and assay bases, commercial grades, density, and source-specific property limits.
- [Sodium hydroxide](https://planar.so/wiki/chemicals/substances/sodium-hydroxide.md): NaOH identity, solid and aqueous forms, alkalinity reporting, grade-specific impurities and the limits of historical lot evidence.
- [Sodium hypophosphite](https://planar.so/wiki/chemicals/substances/sodium-hypophosphite.md): Anhydrous and monohydrate identity, assay and phosphorus bases, product-specific impurities, and limits of physical-property evidence.
- [Sodium metasilicate](https://planar.so/wiki/chemicals/substances/sodium-metasilicate.md): Metasilicate identity, hydrate forms, oxide ratios and the limits of product-specific composition and physical-property data.
- [Sodium persulfate](https://planar.so/wiki/chemicals/substances/sodium-persulfate.md): Sodium peroxydisulfate identity, product-specific assay and impurity data, reporting bases, and conflicting physical-property evidence.
- [Sulfuric acid](https://planar.so/wiki/chemicals/substances/sulfuric-acid.md): Chemical identity, aqueous grades, oleum reporting bases, and the limits of product and thermodynamic data.
- [Zinc chloride](https://planar.so/wiki/chemicals/substances/zinc-chloride.md): Zinc chloride identity, documented hydrates, product assay bases, and the limits of solid and solution property data.
- [Zinc sulfate](https://planar.so/wiki/chemicals/substances/zinc-sulfate.md): Zinc sulfate hydrate identities, zinc and salt reporting bases, and the limits of property, specification and lot data.