Tamilnadu Test House

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Tamilnadu Test House - your first choice for analytical testing services Tamilnadu Test House Pvt. Ltd.

(TNTH) is a growing testing laboratory in India, providing laboratory services in the field of Pharmaceutical testing, food testing, agriculture testing, environmental testing etc. We use the latest methods and technology, to identifying risk factors, improve quality, efficiency, and add value to the market. As your testing partner, you can be sure of fast turnaround times and accurate test results demonstrating compliance with statutory requirements. Pharmaceuticals:
We are committed to the guidelines set by GLP (Good Laboratory Practice) and make all efforts to provide drug analytical services as per it. We provide analytical services for all type of Tablets, Oral suspension, Injections, syrups, etc along with its Raw Material and Finished Products.
• Tests for Drugs
• Tests for Drugs requiring instrumental Analysis
• Tests for Drugs requiring Microbiological testing
• Tests for Antibiotics
• Tests for Vitamins
• Tests for Endotoxins
Major Tests conducted as per latest IP, BP, USP or IH methods
Food: Nutritional Facts Analysis, Fatty Acid profile, Vitamins, Quality Analysis, Heavy metal, Microbial Contamination, Pesticide Residue , Shelf life
Water: Physical, Chemical, Microbial parameters, Acc. to IS 10500:2012, IS 14543: 2004 and treated water samples as per TNPCB Norms. Soil: Micro, Macro Elements, PH, M/c, Pesticides, Microbial Contamination
Instruments: HPLC, GC, GCMS/MS, FT-IR, ICP-OES, UV-Vis Spectrophotometer
Please Mail us for more information on how our laboratory may be able to support your quality and safety programs to [email protected]

25/09/2026

☀️SPF 50… But Are You REALLY Getting SPF 50? 😳| Final part.......
You’re using SPF 50… but you might NOT be getting the protection you think. 👀🧴

The problem? You may not be applying enough.

The SPF on your sunscreen label is determined under standardized testing conditions using a defined amount of product.

But in real life, using too little sunscreen can significantly reduce the protection you receive.

☀️ Face + neck: ~2 finger-lengths
☀️ Exposed body: ~30 g for an average adult
⏰ Apply: about 15 minutes before going outdoors
🔄 Reapply: at least every 2 hours and after swimming, heavy sweating or towel-drying

And yes… even water-resistant sunscreen needs reapplication. 💦

So remember:

High SPF + too little sunscreen ≠ the protection you expect.

It’s not just about which SPF you choose.
It’s also about how much you apply and when you reapply.

📌 SAVE this for your next sunscreen application!

This is PART 6 of our SPF & Sunscreen Science series. 🧪☀️

Be honest… do you think you’re using enough? 👀👇

23/09/2026

Water-Resistant Sunscreen ≠ Waterproof!🌊part - 5☀️...
Water-resistant sunscreen means waterproof, right? ❌ Not exactly! 👀

Here’s something important to know about sunscreen:

💧 No sunscreen is completely waterproof.

A sunscreen labelled “water resistant” has been tested to maintain its SPF protection during swimming or sweating for a specific duration — typically 40 or 80 minutes, depending on the product and applicable testing requirements.

But there’s an important catch 👇

🏊 After swimming
💦 After heavy sweating
🧻 After towel-drying

➡️ Reapplication may be necessary.

So, don’t assume one application will protect you throughout the entire day.

☀️ Always check the product label for the recommended water-resistance duration and reapply as directed.

Water-resistant ≠ waterproof.
Water-resistant protection has a time limit.

This is Part 5 of our SPF & Sunscreen Science series! 🧪☀️

Did you think water-resistant meant waterproof? 👇

18/09/2026

SPF 50 Doesn’t Protect You From EVERYTHING! | Part - 4 |😳☀️ ....
Think SPF 50 means complete protection from the sun? Think again. 👀☀️

SPF mainly tells us about UVB protection — the type of UV radiation strongly associated with sunburn.

But sunlight also contains UVA radiation, which penetrates deeper into the skin.

So, what else should we look at when evaluating sunscreen? 🧴🔬

☀️ SPF → primarily indicates UVB protection
☀️ UVA-PF / PA rating → indicates the level of UVA protection
☀️ Critical Wavelength → helps assess how broadly protection extends across the UV spectrum

That’s why SPF alone doesn’t tell the complete story of sunscreen performance.

To understand overall UV protection, we need to look beyond the SPF number.

This is Part 4 of our SPF series. 🔬☀️

Follow for Part 5 — more science behind the sunscreen you use every day!

16/09/2026

We know SPF 30 and SPF 50 — but have you ever wondered how that number is actually measured? 🧪☀️....

It’s not just a number printed on a sunscreen bottle.

Here’s a simplified look at the laboratory process 👇

🔬 Step 1: A defined amount of sunscreen is applied evenly onto a suitable substrate.

🔬 Step 2: The prepared substrate is placed in the Labsphere to measure the sunscreen’s UV spectral response across the relevant wavelength range.

🔬 Step 3: The resulting spectral data are used to calculate the SPF according to the selected test methodology.

From sample preparation → UV measurement → data analysis, each step is carefully controlled to generate reliable and reproducible results.

So, how does an SPF claim become measurable laboratory data?

Now you know. ☀️🧪

This is Part 3 of our SPF series.

instareels

11/09/2026

SPF 30 = 30% protection? SPF 50 = 50%? ❌ THINK AGAIN!🤔......

Here’s the truth about sunscreen 👇

SPF tells you how much UVB exposure is needed to cause the same sunburn response on protected skin compared with unprotected skin.

☀️ SPF 30 → about 30× the UVB exposure
☀️ SPF 50 → about 50× the UVB exposure

So yes, SPF 50 provides higher protection than SPF 30 — but SPF 50 does NOT mean “50% protection.”

And the bigger question is… how is SPF actually measured in a laboratory? 🧪

👉 Find out in PART 3!

Save this reel for your next sunscreen shopping trip 📌
Share it with someone who thinks SPF 50 means 50% protection 👀

08/09/2026

What Exactly Is SPF? ☀️ | SPF 30, SPF 50 Explained | Sunscreen Science – Part 1........

What does SPF actually mean? ☀️🧴

Every time we buy sunscreen, we see SPF 30, SPF 50, or SPF 50+ — but what exactly is SPF?

In Part 1, we break down:
🔹 What SPF stands for
🔹 How UVB radiation affects your skin
🔹 The connection between UVB and sunburn
🔹 What SPF tells us about sunscreen protection

SPF primarily indicates protection against UVB-induced erythema (sunburn) under defined test conditions.

👉 Part 2: What is the real difference between SPF 30 and SPF 50?

08/09/2026

10 Years of Quality. A Legacy of Reliability. ❤️ | TNTH Turns 11! 🎉......

📝 Description

10 Years of Quality. A Legacy of Reliability. ❤️

A decade of quality, accuracy, trust, and commitment — and now, TNTH proudly steps into its 11th year! 🎉

From every sample tested to every report delivered, our journey has been built on reliability, scientific excellence, customer trust, and teamwork.

A heartfelt thank you to our employees, customers, vendors, and service partners for being an important part of the TNTH journey. 🙏

Here’s to 10 incredible years completed and an exciting 11th year ahead! 🚀

Happy 11th Anniversary, TNTH! 🎊

07/09/2026

Celebrating 10 incredible years of TNTH and stepping proudly into our 11th year!

From reliable testing and accurate results to customer delight, this journey has been built on integrity, quality, dedication, and teamwork.

A heartfelt thank you to our amazing employees, customers, vendors, and service partners for being an integral part of the TNTH journey. Every sample we receive, every report we deliver, and every challenge we overcome reflects your trust and commitment.

As we begin our 11th year, we look forward to strengthening our technical capabilities, embracing new technologies, and continuing to be your trusted partner in quality.

Thank you for being part of the TNTH family! ❤️

07/09/2026

Stepping Into 11 th Years❤️✨ .....

11 years of Quality, Reliability & Integrity.

From a vision to a trusted name, Tamilnadu Test House proudly celebrates 11 incredible years of growth, trust, and excellence. 🎊

This journey wouldn’t have been possible without the continued support of our clients, partners, and incredible team. 🙏

Here’s to 11 years of achievements — and many more milestones ahead!🥂✨

Thank you for being a part of our journey! ❤️

06/09/2026

A special thanks to Ms. Janani for your lovely wishes as we celebrate a decade of TNTH! 💖

Address

Opening Hours

Monday	09:00 - 18:00
Tuesday	09:00 - 18:00
Wednesday	09:00 - 18:00
Thursday	09:00 - 18:00
Friday	09:00 - 18:00
Saturday	09:00 - 18:00

Telephone

+917550053005

Website

http://tamilnadutesthouse.com/

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