安规网

 找回密码
 注册安规
安规论坛 | 仪器设备 | 求职招聘 | 国家标准 公告 | 教程 | 家电 | 灯具 | 环保 | ITAV 签到 充值 在线 打卡 设备 好友| 帖子| 空间| 日志| 相册
IP淋雨机 | 证书查询 | 规范下载 | 资质查询 招聘 | 考试 | 线缆 | 玩具 | 标准 | 综 合 红包 邮箱 打卡 工资 禁言 分享| 记录| 道具| 勋章| 任务
水平垂直燃烧机 | 针焰 | 灼热丝 | 漏电起痕
IP防水防尘设备|拉力机|恒温恒湿|标准试验指
灯头量规|插头量规|静风烤箱|电池设备|球压
万年历 | 距元旦节还有
自2007年5月10日,安规网已运行
IP淋雨设备| 恒温恒湿箱| 拉力机| 医疗检测设备沙特Saber 埃及COI 中东GCC|CoC直接发证机构水平垂直燃烧机|灼热丝|针焰试验机|漏电起痕试验机
灯头量规|试验指|插头插座量规|灯具检测设备耐划痕试验机|可程式恒温恒湿试验箱 | 耦合器设备广东安规-原厂生产-满足标准-审核无忧
查看: 780|回复: 1
打印 上一主题 下一主题

[General] DSH 1055

[复制链接]
跳转到指定楼层
楼主
发表于 2017-1-7 21:59 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
广东安规检测
有限公司提供:
Question* c& H5 R( C- z- P
For the Standard IEC 60730-1 4th Ed. there is required:! N, s2 V9 h( T+ V
The solvents used are:- J, Q2 e) h1 u" N
– neutral liquid detergent blended from alkyl benzene sulphonate and non-ionic detergents;# q; \- G8 E: B
– petroleum spirit (aliphatic solvent hexane with a content of aromatics of maximum 0,1 volume %, a
: k7 S- Q2 n0 H7 {% L% CKauributanol value of 29, initial boiling point of approximately 65 °C and dry point approximately 69 °C, and1 b! a9 `/ F# y8 G, ^' o$ R
specific gravity of approximately 0,68 g/cm3); and water.) V$ o/ [! G& J. Z( N" ]) C8 N$ ?
For the standard IEC 60335-1 5th Ed. There is now required:, }" j/ V# k: m, e  S# |
The petroleum spirit to be used for the test is aliphatic solvent hexane.. z" C1 i- b# v" k" R
- For the standard IEC 60598-1 7th Ed. There is required:+ W; J* U- c+ u$ N' @& [6 ]) Y
NOTE The petroleum spirit used should consist of a solvent hexane with a content of aromatics of& @. B: `/ J# [; I; m' I0 ?
maximum 0,1 % by volume, a value of 29 % for kauri-butanol, an initial boiling-point of approximately 65, V8 Z9 G# F6 Z$ Q: M4 Q
°C, a dry-point of approximately 69 °C and a densit y of approximately 0,68 g/cm3.% e+ S9 D' B! Q
- For the standard IEC 60950-1 2nd Ed. There is required:7 V9 f6 l& }/ h* e+ I* l  D
The petroleum spirit to be used for the test is aliphatic solvent hexane having a maximum aromatics
9 N- ?0 O1 @  }content of 0,1 % by volume, a kauributenol value of 29, an initial boiling point of approximately 65 °C, a dry, Q! C( k! \- _4 a6 ~# }
point of approximately 69 °C and a mass per unit vo lume of approximately 0,7 kg/l.5 n* U9 N( O: w' A- \
As an alternative, it is permitted to use a reagent grade hexane with a minimum of 85 % as n-hexane.
! r' Y. O0 ?% K4 c# H( \# }" tNOTE The designation “n-hexane” is chemical nomenclature for a "normal" or straight chain hydrocarbon.
9 X* T: X7 j: b( y1 V; `This petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent
9 v0 Q5 y" S2 Lgrade hexane4 ?- O. R1 h/ K4 P  W# c& ?
(CAS# 110-54-3).$ m4 q* I- |$ P  [# X
The exact chemical solvent formula is difficult to find in the marketplace.
. v6 O6 D3 m6 j" h% n/ _The various TCs are kindly requested to consider "harmonizing" the solvent accordingly.
' {! x5 n/ V9 m4 G2 ~. a) l- ZDecision
  E, E0 J% M7 I4 }; wThe petroleum spirit to be used for the test is aliphatic solvent hexane. As an alternative, it is permitted to# Y# S% q6 i. v% S' Q
use a reagent grade hexane with a minimum of 85% as n-hexane.+ ]$ v+ g% V' {0 P
Note: the designation “n-hexane” is chemical nomenclature for a “normal” or straight chain hydrocarbon.
9 [; U/ R8 t9 ^; E( F# k, F; iThis petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent; J9 r* [: U8 O
grade hexane (CAS# 110-54-3).
* M: X) L( j: A
沙发
 楼主| 发表于 2017-1-7 22:01 | 只看该作者
DSH 1055附件

本帖子中包含更多资源

您需要 登录 才可以下载或查看,没有帐号?注册安规

x
回复 支持 反对

使用道具 举报

您需要登录后才可以回帖 登录 | 注册安规

本版积分规则

关闭

安规网为您推荐上一条 /2 下一条

QQ|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网 ( 粤ICP13023453-10 )

GMT+8, 2024-11-22 18:18 , Processed in 0.069308 second(s), 21 queries .

Powered by Discuz! X3.2

© 2001-2013 Comsenz Inc.|广东安规赞助

快速回复 返回顶部 返回列表