标题: DSH 1055 [打印本页] 作者: chinatown 时间: 2017-1-7 21:59 标题: DSH 1055 Question . O' h1 t8 b6 JFor the Standard IEC 60730-1 4th Ed. there is required: ! f; Y% N' t7 F/ UThe solvents used are: + h% p/ v4 E0 ]' @– neutral liquid detergent blended from alkyl benzene sulphonate and non-ionic detergents; ; R) y4 {2 C- ~& @) t- i O– petroleum spirit (aliphatic solvent hexane with a content of aromatics of maximum 0,1 volume %, a: ]# g0 S6 Q. x( v
Kauributanol value of 29, initial boiling point of approximately 65 °C and dry point approximately 69 °C, and# _' h4 t& f# H, l7 M
specific gravity of approximately 0,68 g/cm3); and water.% [4 U5 W) [; L# Q4 A
For the standard IEC 60335-1 5th Ed. There is now required: x: w* t' B0 u( Y2 lThe petroleum spirit to be used for the test is aliphatic solvent hexane. , M$ [( @4 q4 V. n- For the standard IEC 60598-1 7th Ed. There is required: 1 U' K/ K1 ~: R& iNOTE The petroleum spirit used should consist of a solvent hexane with a content of aromatics of/ w- a& b' S2 n9 b$ Q$ C) A! X% b8 R
maximum 0,1 % by volume, a value of 29 % for kauri-butanol, an initial boiling-point of approximately 65$ ] P1 E/ N' P/ V2 F! \
°C, a dry-point of approximately 69 °C and a densit y of approximately 0,68 g/cm3.4 {4 T c& q) A# ~( O% R
- For the standard IEC 60950-1 2nd Ed. There is required: d3 O3 U' d( h8 n; j
The petroleum spirit to be used for the test is aliphatic solvent hexane having a maximum aromatics, x! D- K: `5 I7 h) G6 q
content of 0,1 % by volume, a kauributenol value of 29, an initial boiling point of approximately 65 °C, a dry 4 _% U9 R( o8 m7 R- Fpoint of approximately 69 °C and a mass per unit vo lume of approximately 0,7 kg/l. ; ~5 {% ]& y$ @# L# RAs an alternative, it is permitted to use a reagent grade hexane with a minimum of 85 % as n-hexane.* [: v$ L( _0 L) Y
NOTE The designation “n-hexane” is chemical nomenclature for a "normal" or straight chain hydrocarbon.9 ~/ d. D5 c5 ~
This petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent ! M1 ~" x" q6 k! o; Wgrade hexane) s$ r* S* q8 D0 x2 ?* X8 H/ J
(CAS# 110-54-3).' V, w, y/ R' e& d8 r: Z
The exact chemical solvent formula is difficult to find in the marketplace. ) M9 q6 k2 ^+ w; I AThe various TCs are kindly requested to consider "harmonizing" the solvent accordingly. - i) b3 U, a5 Z" Q% vDecision* M6 ]8 h: p( S1 s1 j' W
The petroleum spirit to be used for the test is aliphatic solvent hexane. As an alternative, it is permitted to0 J/ p5 x T$ B2 }- _/ M- x
use a reagent grade hexane with a minimum of 85% as n-hexane. 9 W% ]7 O% h9 XNote: the designation “n-hexane” is chemical nomenclature for a “normal” or straight chain hydrocarbon. ! @% V) R* j+ D1 T jThis petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent, t) |2 g0 y: z
grade hexane (CAS# 110-54-3). p3 f1 q E& r# k# w6 z作者: chinatown 时间: 2017-1-7 22:01
DSH 1055附件