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The arc of my BLV HIT-DE 70W "Orange" MH lamp The arc core is mercury and the outer is NaI. The mercury arc core, is the reason for the peach colour of orange MH lamps.

The arc of my BLV HIT-DE 70W "Orange" MH lamp

The arc core is mercury and the outer is NaI. The mercury arc core, is the reason for the peach colour of orange MH lamps.

IMG_1247.JPG IMG_1243.JPG IMG_1242.JPG IMG_1091.JPG IMG_1235.JPG
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Filename:IMG_1242.JPG
Album name:dor123 / Lamps
Filesize:710 KiB
Date added:19 Apr, 2026
Dimensions:2048 x 1536 pixels
Displayed:166 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=24644
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AngryHorse   [19 Apr, 2026 at 07:37 PM]
BLV always made decent discharge tubes Cool
dor123   [22 Apr, 2026 at 03:42 PM]
But as you can see, the colour is more peach than orange, due to too high mercury pressure. The sample of @FrontSideBus however, have uneven heat reflective coating.

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