Author Topic: Strange halide chemistry in my Aliexpress 5000K 70W MH lamp  (Read 202 times)
dor123
Member
*****
Online

Gender: Male
View Posts
View Gallery

Other loves are printers/scanners/copiers, A/Cs


WWW
Strange halide chemistry in my Aliexpress 5000K 70W MH lamp « on: July 28, 2025, 08:48:48 AM » Author: dor123
I bought this 5000K 70W MH lamp from aliexpress.
Expecting it to have Dy-Tl-Cs, here is the actual spectrum of that lamp: https://www.lighting-gallery.net/gallery/displayimage.php?pos=-258376
Having around 5000K light color, the lamp seems to have Na-Sc-Dy-Tl instead of Dy-Tl-Cs.
Why?
Logged

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

dor123
Member
*****
Online

Gender: Male
View Posts
View Gallery

Other loves are printers/scanners/copiers, A/Cs


WWW
Re: Strange halide chemistry in my Aliexpress 5000K 70W MH lamp « Reply #1 on: July 30, 2025, 10:07:05 AM » Author: dor123
@RRK, @James, @Medved?
Logged

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

Medved
Member
*****
Offline

Gender: Male
View Posts
View Gallery

Re: Strange halide chemistry in my Aliexpress 5000K 70W MH lamp « Reply #2 on: July 30, 2025, 02:45:57 PM » Author: Medved
Because the maker choose so...
Could be raw material availability (at the given factory, with the given machinery), could be targeting certain specific parameters for some reason, could be using old remaining material inventory because someone found some old stash for cheap,...
Logged

No more selfballasted c***

James
Member
*****
Offline

Gender: Male
View Posts
View Gallery


WWW
Re: Strange halide chemistry in my Aliexpress 5000K 70W MH lamp « Reply #3 on: July 30, 2025, 03:12:09 PM » Author: James
I could ask why you chose to eat what you did today - each maker has choices, and there are so many ways to achieve a similar end result. Every company tends to have its own preferred recipe of ingredients, there are no fixed rules.
Logged
Print 
© 2005-2025 Lighting-Gallery.net | SMF 2.0.19 | SMF © 2021, Simple Machines | Terms and Policies