GB/T 47571-2026 Pending National standards

GB/T 47571-2026 Methods for chemical analysis of synthetic diamond

Publish Date: 2026-04-30 Implement Date: 2026-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 47571-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Abrasives and abrasive tools

ICS Name: Abrasives and grinding tools

Publish Date: 2026-04-30

Implement Date: 2026-11-01

Pages: 32 pages

Scope

This document describes the methods for determining ash content by high-temperature combustion, surface and ash impurity elements (aluminum, boron, calcium, cobalt, chromium, copper, iron, potassium, magnesium, manganese, molybdenum, sodium, niobium, nickel, phosphorus, lead, silicon, strontium, titanium, vanadium, tungsten, zinc, and zirconium) by inductively coupled plasma atomic emission spectrometry, inorganic anions by ion chromatography, inorganic cations by ion chromatography, oxygen and nitrogen content by pulse heating inert gas fusion-infrared absorption/thermal conductivity, boron, nitrogen, and phosphorus content by secondary ion mass spectrometry (SIMS), impurity element content by glow discharge mass spectrometry (GD-MS), and the indirect method for determining the nominal diamond purity.
This document is applicable to the determination of the chemical composition of synthetic diamonds.