13.060.50 - Examination of water for chemical substances

DB37/T 4942-2025 in English

VALID

Issued on:2025-10-15 | Implemented on:2025-11-15

DB43/T 969-2025 in English

VALID

Issued on:2025-02-27 | Implemented on:2025-05-27

DB37/T 4750-2024 in English

VALID

Issued on:2024-09-03 | Implemented on:2024-10-03

T/BHES 2-2023 in English

Water quality―Determination of total alkalinity,carbonate and bicarbonate―Automatic potentiometric titration

VALID

Issued on:2023-08-25 | Implemented on:2023-10-01

DB22/T 3427-2023 in English

VALID

Issued on:2023-01-13 | Implemented on:2023-03-01

DB34/T 4300-2022 in English

Water quality—Determination of N,N-dimethylformamide —High performance liquid chromatography

VALID

Issued on:2022-10-26 | Implemented on:2022-11-26

GB/T 41330-2022 in English

Analysis of water used in boiler and cooling system—Determination of trace copper, iron, sodium, calcium and magnesium—Inductively coupled plasma mass spectrometry (ICP-MS)

VALID

Issued on:2022-03-09 | Implemented on:2022-10-01

GB/T 12157-2022 in English

Determination of dissolved oxygen in water for industrial circulating cooling system and boiler

VALID

Issued on:2022-03-09 | Implemented on:2022-10-01

DB42/T 1790-2021 in English

VALID

Issued on:2021-12-23 | Implemented on:2022-02-23

DB61/T 1496-2021 in English

VALID

Issued on:2021-12-17 | Implemented on:2022-01-17