Industrial chemicals · Taylor, TXCertificate of Analysis

Sample Certificate of Analysis

Ammonium Hydroxide 20% ACS Grade

Certificate #: TYP-AMMONIUMHYDR
Lot Number: TYPICAL SAMPLE
Test Date: 2026-06-02
Category: Bases & Salts (E)
CAS Number: 1336-21-6
Formula: H5NO
Computed Assay: 21.00%(100 − Σ impurities)

Sample COA. Lot-specific COAs ship with each order.

Specifications

Parameter	Specification	Typical Result	Test Method
Assay (Titration)	19.5 – 20.5 %	21 %	Titration
Arsenic (As)	≤ 0.01 ppm	0.01 ppm	ICP-MS
Calcium (Ca)	≤ 2 ppm	1 ppm	ICP-MS
Carbonate	≤ 15 ppm	10 ppm	Titration
Chloride	≤ 0.5 ppm	0 ppm	Ion chromatography
Copper (Cu)	≤ 0.5 ppm	0.2 ppm	ICP-MS
Iron	≤ 2 ppm	0 ppm	ICP
Lead (Pb)	≤ 0.5 ppm	0.2 ppm	ICP-MS
Manganese (Mn)	≤ 0.5 ppm	0.2 ppm	ICP-MS
Phosphate (PO4)	≤ 1 ppm	0.3 ppm	ICP
Potassium (K)	≤ 1 ppm	0.3 ppm	ICP-MS
Sodium (Na)	≤ 5 ppm	2 ppm	ICP-MS
Sulfate	≤ 2 ppm	1 ppm	Ion chromatography

Generated 2026-06-02. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.