My SN bottle says “Pure For Analysis” any idea what exactly this means?

[Alec]

What the title says, any ideas?

Thank you

 

[autumnal]

Free of impurities. I believe this doesn't necessarily mean a high concentration though, so you probably need to know the percentage stated such as 96%, 99% etc.

 

[Alec]

Free of impurities. I believe this doesn't necessarily mean a high concentration though, so you probably need to know the percentage stated such as 96%, 99% etc.

It doesn't give any % on the bottle, it just says "pure for analysis"

 

[kusha]

How to check N purity?

Also what Quantity is okay to order

100g---

1kg---

100ml --

250ml

Please help

 

[mimo5555]

That's the chemical grade, you can google "chemicals grades" for more info but "pure for analysis" is not one of the official grades. I guess that means it's pure enough for laboratory use but not mean to be consumed. Don't worry about that as it should be pure enough for CTB.

 

[Yomyom]

How to check N purity?

The lab on Spain
Or a test kit, according to this video

Also what Quantity is okay to order

I suggest you to read about this drug first, read the peaceful pill book or dignified dying, it's a great start

 

[Kumachan]

in Russia its 99.4% ЧДА means exactly the same: pure for tests, I guess its the purest u can get
Mine looks like a brick tho 1 kg lump

 

[Suez]

What the title says, any ideas?

Thank you❤

All chemical produce must comply under certain standards.I have inserted a link for you which will show you what you should be looking for on any chemically compliant label. Chemical grades are non-sequential, non-linear, and overlapping. – Chemical purity is measured by the maximum level of potential impurities. The "pure for analysis" that you see on the label has nothing to do with the purity of chemicals or Chemical grading, as a general rule of thumb: ACS, Reagent Grade (the purest) and Laboratory Grade (less pure) , there is no such thing as "pure for analysis" in the chemical grading system . Does it even say Sodium Nitrite on the label?
https://www.sigmaaldrich.com/safety-center/understanding-the-label.html

 

[heikoboss]

Sieht das so aus?

 

[Suez]

Sieht das so aus? Hey thanks for that. I've never seen a bottle like that from any chemical company I have dealt with. I am also a scientist so use many different companies from all around the world to buy chemicals from. I'm going to show this to someone I know and see what he thinks of this @tinypolygrapher is a chemist. I'm a PhD Pharmacology but he might be closer to this. I'll get back to you or he will.View attachment 36221View attachment 36221

 

[heikoboss]

[QUOTE = "Suez, Post: 734836, Mitglied: 15684"]

[/ZITAT]
Habe es bei einem Auktionshaus bestellt. Die Lieferung kam aus P.

 

[Tintypographer]

Hello team:. I want to talk a bit about chemicals and their supply. Chemicals come with two things as their analyses and any chemical supplier globally should provide you with these two things. The first is a MSDS. That is a Material Safety Data Sheet:.

Here is a sample one for sodium Nitrite from the supplier Fisher Scientific:

https://fscimage.fishersci.com/msds/21410.htm

This tells you the toxicity of the chemical. Every chemical you purchase from a chemical supplier should have a MSDS. If a supplier is not willing to include or reference a MSDS then do not trust them. Even a reseller will have the original MSDS.

The second should be a CofA whcih stands for certificate of analysis. A CofA states what the chemical is, the purity, the lot or batch number and the way it was tested.

Here is a sample set of certificates of analysis for sodium Nitrite from Millipore corporation:

https://www.emdmillipore.com/US/en/product/Sodium-nitrite,MDA_CHEM-106549#anchor_COA

If you download one of the CofAs there you will see a view of a document that will specify the purity and even the analyst who did the analysis.

The most common assay for sodium Nitrite purity is with a very accurate technique of titration called permanganate redox titration. This is a titration that finds the endpoint with the reduction of potassium permanganate by color and it is very sensitive.

You should not buy a chemical you intend to use for a purpose like catching the bus if you are choosing to consider that if the supplier is not giving you a MSDS and CofA.

The image shows a CofA for sodium Nitrite as a chemical batch and it has 99 percent purity.

You should not trust a supplier who ships you a chemical that does not have a CofA and MSDS identifying the chemical, batch number, assay and purity. I'm advising this because I want your choices and decisions to be based on chemicals whose identify and purity you can trust which involves those two documents to help guarantee the chemical.

Every country and supplier requires a verifiable pair of these documents for both manufacturers and suppliers of chemicals. You will typically see the ACS whcih stands for American chemical society or an ISO certification or a CE certification that all define the identitg and purity standards.


Now that i wasted your time sharing all of this, can you show me the documentation that came with your bottles?

 

[Suez]

Hello team:. I want to talk a bit about chemicals and their supply. Chemicals come with two things as their analyses and any chemical supplier globally should provide you with these two things. The first is a MSDS. That is a Material Safety Data Sheet:.

Here is a sample one for sodium Nitrite from the supplier Fisher Scientific:

https://fscimage.fishersci.com/msds/21410.htm

This tells you the toxicity of the chemical. Every chemical you purchase from a chemical supplier should have a MSDS. If a supplier is not willing to include or reference a MSDS then do not trust them. Even a reseller will have the original MSDS.

The second should be a CofA whcih stands for certificate of analysis. A CofA states what the chemical is, the purity, the lot or batch number and the way it was tested.

Here is a sample set of certificates of analysis for sodium Nitrite from Millipore corporation:

https://www.emdmillipore.com/US/en/product/Sodium-nitrite,MDA_CHEM-106549#anchor_COA

If you download one of the CofAs there you will see a view of a document that will specify the purity and even the analyst who did the analysis.

The most common assay for sodium Nitrite purity is with a very accurate technique of titration called permanganate redox titration. This is a titration that finds the endpoint with the reduction of potassium permanganate by color and it is very sensitive.

You should not buy a chemical you intend to use for a purpose like catching the bus if you are choosing to consider that if the supplier is not giving you a MSDS and CofA.

The image shows a CofA for sodium Nitrite as a chemical batch and it has 99 percent purity.

You should not trust a supplier who ships you a chemical that does not have a CofA and MSDS identifying the chemical, batch number, assay and purity. I'm advising this because I want your choices and decisions to be based on chemicals whose identify and purity you can trust which involves those two documents to help guarantee the chemical.

Every country and supplier requires a verifiable pair of these documents for both manufacturers and suppliers of chemicals. You will typically see the ACS whcih stands for American chemical society or an ISO certification or a CE certification that all define the identitg and purity standards.


Now that i wasted your time sharing all of this, can you show me the documentation that came with your bottles?

Thanks for replying, I also inserted a link from Sigmas Aldrichs Product Safety Center site so that people know what a GHS compliant product label looks like and what product compliant pictogram you would expect to see on chemical bottles as well. Yes MSDS , I think there was one in the photo next to the bottle, I did ask the OP about a possible MSDS but havent heard anything.

 

[heikoboss]

Hello team:. I want to talk a bit about chemicals and their supply. Chemicals come with two things as their analyses and any chemical supplier globally should provide you with these two things. The first is a MSDS. That is a Material Safety Data Sheet:.

Here is a sample one for sodium Nitrite from the supplier Fisher Scientific:

https://fscimage.fishersci.com/msds/21410.htm

This tells you the toxicity of the chemical. Every chemical you purchase from a chemical supplier should have a MSDS. If a supplier is not willing to include or reference a MSDS then do not trust them. Even a reseller will have the original MSDS.

The second should be a CofA whcih stands for certificate of analysis. A CofA states what the chemical is, the purity, the lot or batch number and the way it was tested.

Here is a sample set of certificates of analysis for sodium Nitrite from Millipore corporation:

https://www.emdmillipore.com/US/en/product/Sodium-nitrite,MDA_CHEM-106549#anchor_COA

If you download one of the CofAs there you will see a view of a document that will specify the purity and even the analyst who did the analysis.

The most common assay for sodium Nitrite purity is with a very accurate technique of titration called permanganate redox titration. This is a titration that finds the endpoint with the reduction of potassium permanganate by color and it is very sensitive.

You should not buy a chemical you intend to use for a purpose like catching the bus if you are choosing to consider that if the supplier is not giving you a MSDS and CofA.

The image shows a CofA for sodium Nitrite as a chemical batch and it has 99 percent purity.

You should not trust a supplier who ships you a chemical that does not have a CofA and MSDS identifying the chemical, batch number, assay and purity. I'm advising this because I want your choices and decisions to be based on chemicals whose identify and purity you can trust which involves those two documents to help guarantee the chemical.

Jedes Land und jeder Lieferant benötigt ein überprüfbares Paar dieser Dokumente sowohl für Hersteller als auch für Lieferanten von Chemikalien. In der Regel sehen Sie das ACS, das für American Chemical Society oder eine ISO- oder CE-Zertifizierung steht, die alle die Identifizierungs- und Reinheitsstandards definieren.


Können Sie mir die Dokumentation zeigen, die mit Ihren Flaschen geliefert wurde, nachdem ich Ihre Zeit damit verschwendet habe, all dies zu teilen?
[/ZITAT]
So ein Dokument wurde nicht mitgeliefert. Der Bluttest war aber ok.

 

[heikoboss]

[QUOTE = "Suez, Post: 734974, Mitglied: 15684"]
Vielen Dank für Ihre Antwort. Ich habe auch einen Link von der Website des Sigmas Aldrichs Product Safety Center eingefügt, damit die Leute wissen, wie ein GHS-konformes Produktetikett aussieht und welches produktkonforme Piktogramm Sie auch auf Chemikalienflaschen erwarten würden. Ja, Sicherheitsdatenblatt, ich glaube, auf dem Foto neben der Flasche war eines. Ich habe das OP nach einem möglichen Sicherheitsdatenblatt gefragt, aber nichts gehört.
[/ZITAT]
Ein Sicherheitsdatenblatt habe ich nicht erhalten der Bluttest war aber okay.

 

[Tintypographer]

My German just isn't good: I had to pass a test in grad school on German English translation but I had a dictionary.

Basically I need to see the sheets of paper that came with the bottle to determine what the assay was, what the lab was that did the assay and what the purity is.

If it didn't come with a CofA then do not use it for something as important and profound as planning to catch the bus.

 

[heikoboss]

[QUOTE = "Tintypographer, Beitrag: 735413, Mitglied: 17622"]
Mein Deutsch ist einfach nicht gut: Ich habe in der Graduiertenschule einen Test für Deutsch-Englisch-Übersetzung gegeben, aber ich hatte ein Wörterbuch.

Der Mussay-Krieg war der Assay-Krieg, das war der Assay-Krieg und wie rein es ist.

Wenn es nicht mit einem CofA gehört wurde, wurde Sie nicht für etwas so wichtiges und tiefgründiges wie die Planung, den Bus zu erwischen.
[/ ZITAT]
Der Lieferant hat bei Eb..y sehr viel davon gehört auch viele Benutzer in diesem Forum. Den Bluttest habe ich gehört dabei alles okay. Denkst das es mit dem gekauften Produkt schief gehen kann. Was kann ich noch tun um es zu ändern?