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[General] DSH 1055

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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
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: ]5 \: D( |6 ZFor the Standard IEC 60730-1 4th Ed. there is required:1 Z2 h, t& k& Z( f3 K+ l: G
The solvents used are:
& A; j% R* ~% H% A) r4 n- C' u0 M– neutral liquid detergent blended from alkyl benzene sulphonate and non-ionic detergents;
% v6 U" x! c! w$ T& {$ e– petroleum spirit (aliphatic solvent hexane with a content of aromatics of maximum 0,1 volume %, a
8 Q; ~: p( ]  l& {6 z  eKauributanol value of 29, initial boiling point of approximately 65 °C and dry point approximately 69 °C, and
- M7 o, C4 \- u$ O  Uspecific gravity of approximately 0,68 g/cm3); and water.) f& j, L- Y, B! c; p
For the standard IEC 60335-1 5th Ed. There is now required:
; w* ?& m9 i/ @( f+ E/ m8 UThe petroleum spirit to be used for the test is aliphatic solvent hexane.; ^/ D8 n$ K3 j
- For the standard IEC 60598-1 7th Ed. There is required:5 r$ |+ r& h+ n) I
NOTE The petroleum spirit used should consist of a solvent hexane with a content of aromatics of( V, Q) C  j2 A0 ?" k3 T! S, V
maximum 0,1 % by volume, a value of 29 % for kauri-butanol, an initial boiling-point of approximately 653 K0 K3 w) {; |/ i
°C, a dry-point of approximately 69 °C and a densit y of approximately 0,68 g/cm3.% P. r' D6 i# D8 ?& {* |* L
- For the standard IEC 60950-1 2nd Ed. There is required:: s$ @4 X9 `5 U1 I: a
The petroleum spirit to be used for the test is aliphatic solvent hexane having a maximum aromatics' l3 P$ L: Z7 @& E9 m% x/ _/ V! d  N
content of 0,1 % by volume, a kauributenol value of 29, an initial boiling point of approximately 65 °C, a dry, z- I' d$ w- K9 S- r/ ?% m
point of approximately 69 °C and a mass per unit vo lume of approximately 0,7 kg/l.
; j4 A7 V% x9 ^As an alternative, it is permitted to use a reagent grade hexane with a minimum of 85 % as n-hexane.2 `0 z* F: x5 O
NOTE The designation “n-hexane” is chemical nomenclature for a "normal" or straight chain hydrocarbon.
: I0 ~6 i# H8 y; D: X: }) xThis petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent
0 i8 F0 }  p3 v3 Sgrade hexane
; n# {* x+ p" V4 Z  e/ q(CAS# 110-54-3).7 E# S  X8 I* Y1 y- H) X; }. D
The exact chemical solvent formula is difficult to find in the marketplace.
/ p2 X9 g9 }: u" u6 b; i; N# WThe various TCs are kindly requested to consider "harmonizing" the solvent accordingly.
: c8 A; V2 ]5 CDecision
+ ~5 w3 s# A6 BThe petroleum spirit to be used for the test is aliphatic solvent hexane. As an alternative, it is permitted to
7 n) \; ]+ B; S3 B( j8 e7 vuse a reagent grade hexane with a minimum of 85% as n-hexane.4 F( s$ @( C) U# j$ @0 K; c- w+ z
Note: the designation “n-hexane” is chemical nomenclature for a “normal” or straight chain hydrocarbon.
7 y8 f. Z8 c1 |* L0 u+ OThis petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent+ S; P; s; W7 S. H% X. H+ |9 b
grade hexane (CAS# 110-54-3).. k6 T$ \/ z( t
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 楼主| 发表于 2017-1-7 22:01 | 只看该作者
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