Browse Standards

3488+ standards in database

3488 result(s) found

GB/T 23834.3-2009 Active

硫酸亚锡化学分析方法 第3部分：碱金属和碱土金属硫酸盐总量的测定 重量法

Chemical analysis method for stannous sulfate - Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate - Gravimetric method

ICS: 71.060.01
2010-02-01
GB/T 23834.2-2009 Active

硫酸亚锡化学分析方法 第2部分：盐酸不溶物的测定 重量法

Chemical analysis method for stannous sulfate - Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric method

ICS: 71.060.01
2010-02-01
GB/T 14643.6-2009 Active

工业循环冷却水中菌藻的测定方法 第6部分：铁细菌的测定 MPN法

Examination of bacteria and algae in industrial circulating cooling water - Part 6: Examination of iron bacteria - MPN test

ICS: 71.040.40
2010-02-01
GB/T 14643.5-2009 Active

工业循环冷却水中菌藻的测定方法 第5部分：硫酸盐还原菌的测定 MPN法

Examination of bacteria and algae in industrial circulating cooling water - Part 5: Examination of sulfate-reducing bacteria - MPN test

ICS: 71.040.40
2010-02-01
GB/T 14643.4-2009 Active

工业循环冷却水中菌藻的测定方法 第4部分：土壤真菌的测定 平皿计数法

Examination of bacteria and algae in industrial circulating cooling water - Part 4: Examination of soil fangi - Standard of plate count

ICS: 71.040.40
2010-02-01
GB/T 14643.3-2009 Active

工业循环冷却水中菌藻的测定方法 第3部分：粘泥真菌的测定 平皿计数法

Examination of bacteria and algae in industrial circulating cooling water - Part 3: Examination of slime formed fungi - Standard of plate count

ICS: 71.040.40
2010-02-01
GB/T 14643.2-2009 Active

工业循环冷却水中菌藻的测定方法 第2部分：土壤菌群的测定 平皿计数法

Examination of bacteria and algae in industrial circulating cooling water - Part 2: Examination of soil micro-bioti - Standard of plate count

ICS: 71.040.40
2010-02-01
GB/T 14643.1-2009 Active

工业循环冷却水中菌藻的测定方法 第1部分：粘液形成菌的测定 平皿计数法

Examination of bacteria and algae in industrial circulating cooling water - Part 1: Examination of bacteria formed deposits - Standard of plate count

ICS: 71.040.40
2010-02-01
GB/T 23967-2009 Abolished

工业用偏苯三酸酐

Trimellitic anhydride for industrial use

ICS: 71.080.50
2010-02-01
GB/T 23966-2009 Abolished

工业用二异丙胺

Diisopropylamine for industrial use

ICS: 71.080.30
2010-02-01
GB/T 23965-2009 Abolished

工业用一异丙胺

Monoisopropylamine for industrial use

ICS: 71.080.30
2010-02-01
GB/T 23963-2009 Abolished

工业用二乙胺

Diethylamine for industrial use

ICS: 71.080.30
2010-02-01
GB/T 23962-2009 Abolished

工业用一乙胺

Ethylamine for industrial use

ICS: 71.080.30
2010-02-01
GB/T 23960-2009 Active

工业用邻苯二酚

Catechol for industrial use

ICS: 71.080.90
2010-02-01
GB/T 23959-2009 Active

工业用对苯二酚

Hydroquinone for industrial use

ICS: 71.080.90
2010-02-01
GB/T 23958-2009 Active

工业用亚氨基二乙腈

Iminodiacetonitrile for industrial use

ICS: 71.080.30
2010-02-01
GB/T 23953-2009 Abolished

工业用二甲基二氯硅烷

Dimethyldichlorosilane for industrial use

ICS: 71.080.99;83.040
2010-02-01
GB/T 23939-2009 Abolished

工业过硫酸铵

Ammonium persulfate for industrial use

ICS: 71.060.50
2010-02-01
GB/T 23938-2009 Abolished

高纯二氧化碳

High purity carbon dioxide

ICS: 71.100.20
2010-02-01
GB/T 5275.10-2009 Active

气体分析 动态体积法制备校准用混合气体 第10部分：渗透法

Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 10: Permeation method

ICS: 71.040.40
2010-02-01
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