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Chinese National Standard Category: Basic standards and general methods for water treatment agent

English Title: Industrial circulating cooling water Determination of calcium for phosphorus-zine prefilmingtluid
Chinese Title: 工业循环冷却水磷锌预膜液中钙离子测定方法
Standard No.: HG/T 3520-2000
Category No.: G76
Issued by: NDRC
Issued on: 2000-05-23
Implemented on: 2000-12-1
Status: superseded
Superseded by:HG/T 3520-2015 Determination of calcium for phosphorus-zine prefilming fluid in industrial circulating cooling water
Superseded on:2016-1-1
Abolished on:
Superseding:HG/T 3520-1985
Word Count:1500 words
Similar Standards: GB/T 16635-1996   GB/T 13689-1992   GB/T 16633-1996   GB/T 43098.2-2023   GB/T 43098.1-2023   GB/T 6913-2023   GB/T 10656-2022   GB/T 12157-2022   GB/T 6903-2022   GB/T 14636-2021   GB/T 40392-2021   GB/T 14637-2021   GB/T 39296-2020   GB/T 39298-2020   GB/T 39303-2020   GB/T 39305-2020   GB/T 39304-2020   GB/T 39306-2020   GB/T 39302-2020   GB/T 16632-2019  
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