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Question
+ X+ G0 o: Q$ wFor the Standard IEC 60730-1 4th Ed. there is required:$ i, D9 u+ k, k' H' @* p+ [/ J
The solvents used are:0 g9 _6 u/ l" e; c% G
– neutral liquid detergent blended from alkyl benzene sulphonate and non-ionic detergents;
) ^/ D' T) ]; y2 Y- }– petroleum spirit (aliphatic solvent hexane with a content of aromatics of maximum 0,1 volume %, a' o! E' X- W9 E$ X- U# \
Kauributanol value of 29, initial boiling point of approximately 65 °C and dry point approximately 69 °C, and
6 g. r- D- W8 X8 f0 Fspecific gravity of approximately 0,68 g/cm3); and water.
; H0 S8 s" Z, G: H0 \For the standard IEC 60335-1 5th Ed. There is now required:* ~1 G- q% s- l& t: a( B9 [% r
The petroleum spirit to be used for the test is aliphatic solvent hexane.3 O1 L9 f4 l6 H' n7 T# I0 q$ {# e* ^
- For the standard IEC 60598-1 7th Ed. There is required:
7 e. U- W, j% o+ K1 }# oNOTE The petroleum spirit used should consist of a solvent hexane with a content of aromatics of. s) T" D. [, d. C; n% j# m- Y( H
maximum 0,1 % by volume, a value of 29 % for kauri-butanol, an initial boiling-point of approximately 65' V# l. K7 ]6 N# N, ^
°C, a dry-point of approximately 69 °C and a densit y of approximately 0,68 g/cm3.3 J0 W* N9 @ F
- For the standard IEC 60950-1 2nd Ed. There is required:
) o! q ^2 \* X5 SThe petroleum spirit to be used for the test is aliphatic solvent hexane having a maximum aromatics
" r3 W3 p4 s# }; @ U) S) Bcontent of 0,1 % by volume, a kauributenol value of 29, an initial boiling point of approximately 65 °C, a dry
, E) u2 E; z! t" u5 rpoint of approximately 69 °C and a mass per unit vo lume of approximately 0,7 kg/l./ _0 F" s7 p/ P; S6 H9 P
As an alternative, it is permitted to use a reagent grade hexane with a minimum of 85 % as n-hexane.
2 F, P$ S" B2 ]( p6 t3 Q6 dNOTE The designation “n-hexane” is chemical nomenclature for a "normal" or straight chain hydrocarbon.9 g2 V% K% o) A; k9 h
This petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent4 @" O* t) k$ p ?. T6 `
grade hexane
, N( q0 A+ t& ?- c9 Y' N(CAS# 110-54-3).: ]; R, X/ [: W
The exact chemical solvent formula is difficult to find in the marketplace.: s: n- n2 G, O' H
The various TCs are kindly requested to consider "harmonizing" the solvent accordingly.
+ X. s4 u- {7 e! l1 G& A4 m1 }Decision
$ Q& g3 L, E1 SThe petroleum spirit to be used for the test is aliphatic solvent hexane. As an alternative, it is permitted to, I& Q3 W- P+ h) }
use a reagent grade hexane with a minimum of 85% as n-hexane.
6 t' _% o1 `6 u$ {' CNote: the designation “n-hexane” is chemical nomenclature for a “normal” or straight chain hydrocarbon.: z @* n- h, [3 F; g
This petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent/ Z' U# [1 t- x5 X k
grade hexane (CAS# 110-54-3).
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