what's the chemical composition of this? I am trying to test synthetic blood using this. Will it test positive?

Our Bluestar luminol contains both luminol (C8H7N3O2) and hydrogen peroxide (H2O2). The hydrogen peroxide reacts with the iron in blood to produce a glowing light.

After mixing all ingredients - how long the reaction would be stable? If I keep it refrigerated it would last longer

It should be used immediately. But the good news is that it can last for up to 8 hours or even longer after being mixed with water. Refrigeration may not help extend it's usefulness. NOTE: When adding water to the tablets be patient and do not shake or stir.

Will this work to determine blood on fabric that's been hand washed n dried? And how will blood show up after this test, what will it look like

Suspect stains glow a blueish tint in dim light. No UV light is used. Some soaps and bleaches will make it react. DO PRACTICE TESTS. ** Test a hand washed item without blood stains to get a baseline for what to expect. ** If you can test (dry) synthetic or real blood that would also be a good baseline. ** And if you can apply synthetic blood to fabric and handwash it that would be an excellent baseline. We sell synthetic blood for this use here on amazon.

What do i need to use this on fabric, do i use a spray bottle?.

Generally a spray bottle is ideal. You want to see the pattern and location. If you dip it into a wash of luminol it will all glow

Bluestar Training 8 Pack | Desertcart Hong Kong

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Description

🔦 Illuminate the unseen, master the scene.

REPEATABLE RESULTS - Spray multiple times on the same stain with consistent, reliable luminescence every time—perfect for training and demonstrations.
GLOW BEYOND DARKNESS - Bluestar Training’s luminescence shines bright even in ambient light, ensuring every detail is captured effortlessly.
READY TO USE TABLETS - No messy mixing—just dissolve tablets for a safe, quick prep that keeps your workflow smooth and efficient.
SAFE STABLE FORMULA - Non-toxic, long shelf-life reagent that stays effective for hours after mixing, designed for professional use with peace of mind.
ULTRA SENSITIVE DETECTION - Pinpoint blood traces as faint as 1/1000 dilution—uncover what others miss and elevate your forensic precision.

The Crime Scene Bluestar Luminol Training Pack offers eight sets of fast-dissolving tablets to create a powerful chemiluminescent reagent that reveals bloodstains—even washed or old—without requiring total darkness. Designed for forensic training and demonstrations, it delivers a bright, long-lasting glow visible to the naked eye and standard cameras. Its ultra-sensitive formula detects blood down to 1/1000 dilution, is safe to handle with proper gear, and provides consistent results with repeated application.

Specifications

ASIN	B08W6QGB8Y
Best Sellers Rank	#104,997 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,521 in Lab Consumables
Brand	Crime Scene
Customer Reviews	4.4 4.4 out of 5 stars (68)
Date First Available	February 8, 2021
Item Weight	1.76 ounces
Item model number	CSI-BLUESTAR
Manufacturer	Bluestar USA
Manufacturer Part Number	CSI-BLUESTAR
Package Dimensions	5.12 x 2.44 x 1.34 inches
Size	8 Pack

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HK$882

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

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