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HG/T 6267-2024Method for determining fluorine content in copper-containing etching waste liquid (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

March 29, 2024

Implementation date

October 1, 2024

Scope

HG/T 6267-2024 (Method for determining fluorine content in copper-containing etching waste liquid) is available as an English-translated PDF.

HG/T 6267-2024 — This standard specifies the general provisions and determination methods for the determination of fluorine content in copper-containing etching waste liquid.

This standard is applicable to the determination of fluorine content in copper-containing etching waste liquid of printed circuit boards (PCBs).

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Document preview — HG/T 6267-2024

National Standard of the People's Republic of China

ICS: 13.030.01
Classification: Z 04

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the general provisions and determination methods for the determination of fluorine content in copper-containing etching waste liquid. This standard is applicable to the determination of fluorine content in copper-containing etching waste liquid of printed circuit boards (PCBs). The lower limit of determination by the ion selective electrode single standard addition method is 1.6 mg/L, the lower limit of determination by the ion selective electrode standard curve method is 1.8 mg/L, and the lower limit of determination by the ion chromatography method is 0.8 mg/L.

Document data

International classification (ICS): 13.030.01.

Chinese classification (CCS): Z04.

Estimated length of the Chinese original: 10,144 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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