What is CNS Standards ?

CNS Standard is abbreviation of Chinese National Standard, the National Standards of the Republic of China (Taiwan) ;
They are administered by the Bureau of Standards, Metrology and Inspection of the Ministry of Economic Affairs.

The English versions CNS standards were translated directly from the openly-published Chinese CNS standard , in case of any divergence of interpretation, the Chinese versions CNS standards text shall prevail.

CNS standards are divided into 26 numbered categories, Detail see bellow:

CNS Standards 26 Categories:

A
Civil Engineering & Architecture
土木工程及建築

B
Mechanical Engineering
機械工程

C
Electrical Engineering
電機工程, 電子工程

D
Automotive & Aircraft Engineering
機動車及航太工程

E
Railway Engineering
軌道工程

F
Ship building Engineering
造船工程

G
Ferrous Materials & Metallurgy
鐵金屬冶煉

H
Non-ferrous Materials & Metallurgy
非鐵金屬冶煉

J
Nuclear Engineering
核子工程

K
Chemical Industry
化學工業

L
Textile Industry
紡織工業

M
Mining
礦業

N
Agriculture, Food
農業,食品

O
Wood Industry
木業

P
Pulp & PaperIndustry
紙業

Q
Environmental Management
環境保護

R
Ceramic Industry
陶業

S
Domestic Wares
日常用品

T
Medical Equipments & Appliances
衛生及醫療器材

X
Information & Communication
資訊及通信

Z-1
Industry Safety
工業安全

Z-2
Physical Distribution & Packaging
物流及包裝

Z-3
General & Miscellaneous
一般及其他

CNS Standards Index:

K-Chemical Industry

CNS 6680 - English Version
Essential Oils (containing tertiary alcohols) - Estimation of free alcohols content by determination of ester value after acetylation
精油(含三級醇)－自由醇含量估計法（乙醯化後酯值測定法） - 英文版

K-Chemical Industry

CNS 6576 - English Version
Essential Oils － Evaluation of miscibility in ethanol
精油－乙醇混溶性測定法 - 英文版

K-Chemical Industry

CNS 6571 - English Version
Essential Oils - Determination of relative density at 20 ℃ - Reference method
精油－相對密度（２０℃）測定法 - 英文版

K-Chemical Industry

CNS 6572 - English Version
Essential Oils - Determination of refractive index
精油－折射率測定法 - 英文版

K-Chemical Industry

CNS 6573 - English Version
Essential Oils - Preparation of test samples
精油－試樣製備法 - 英文版

K-Chemical Industry

CNS 6578 - English Version
Essential Oils － Determination of 1,8-cineole content
精油－1,8-桉醚含量測定法 - 英文版

K-Chemical Industry

CNS 6574 - English Version
Essential Oils - Determination of optical rotation
精油－旋光度測定法 - 英文版

K-Chemical Industry

CNS 6679 - English Version
Essential Oils - Determination of carbonyl value - Potentiometric methods using hydroxylammonium chloride
精油－羰值測定法（氯化羥銨電位法） - 英文版

K-Chemical Industry

CNS 6677 - English Version
Essential Oils － Determination of ester values, before and after acetylation, and evaluation of the contents of free and total alcohols
精油－自由與總醇含量估計法（酯值測定法） - 英文版

K-Chemical Industry

CNS 6678 - English Version
Essential Oils - Determination of carbonyl value - Free hydroxylamine method
精油－羰值測定法（自由羥胺法） - 英文版

K-Chemical Industry

CNS 6681 - English Version
Essential Oils - Estimation of primary and secondary free alcohols content by acetylation in pyridine
精油－一級及二級自由醇含量估計法（吡啶乙醯化法） - 英文版

K-Chemical Industry

CNS 6570 - English Version
Essential Oils - Sampling
精油－取樣法 - 英文版

Z-#N/A

CNS 14811 - English Version
Method of test for field measurement of sOil resistivity using the Wenner four-electrode method
現場土壤電阻率之維納(Wenner)四極測定法 - 英文版

C-Electrical Engineering

CNS 6135-1 - English Version
Hearing aids-Part1: Hearing aids with induction pick-up cOil input
助聽器－第1部：以感應拾波線圈為輸入的助聽器 - 英文版

C-Electrical Engineering

CNS 14267 - English Version
Wood ploes treated with creosote Oil
注雜酚油防腐木桿 - 英文版

B-Mechanical Engineering

CNS 12937 - English Version
Structure of Welded SteelTanks for Petroleum Oil Storage
鋼製全熔接石油類儲槽構造 - 英文版

G-Ferrous Materials & Metallurgy

CNS 7381 - English Version
Alloy Steel Tubes for BOiler and Heat Exchanger
鍋爐及熱交換器用合金鋼鋼管 - 英文版

Translated

G-Ferrous Materials & Metallurgy

CNS 7379 - English Version
Carbon Steel Tubes for BOiler and Heat Exchanger
鍋爐及熱交換器用碳鋼鋼管 - 英文版

G-Ferrous Materials & Metallurgy

CNS 10716 - English Version
Chromium-Molybdenum Alloy Steel Plates for BOilers and Pressure Vessels
鍋爐及壓力容器用鉻鉬合金鋼鋼板 - 英文版

G-Ferrous Materials & Metallurgy

CNS 8971 - English Version
Manganese-Molybdenum and Manganese-Molybdenum-Nickel Alloy Steel Plates for BOilers and Pressure Vessels
鍋爐及壓力容器用錳鉬及錳鉬鎳合金鋼鋼板 - 英文版

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Chinese National Standards 中華民國國家標準 - Taiwan 台灣 -