Inorganic standards &
Custom reference materials

April 2015 Newsletter

Inorganic Ventures Ushers in Spring with Transpiration Control Technology

Resupply your CRM's this spring and you'll discover Inorganic Ventures new breakthrough packaging technology that's reshaping the industry by drastically extending CRM shelf life by effectively halting transpiration. Included free of charge with every order, Transpiration Control Technology (TCT) extends shelf life indefinitely, as the product doesn't expire until one year from the opening of the TCT bag, or upon lot expiration, whichever comes first. Concerns about shipping or storage conditions are a thing of the past, which saves you money and simplifies research. Watch our Transpiration Frustration video and find out how Transpiration Control Technology (TCT) will serve you in 2015!

Expanding to meet your needs

Inorganic Ventures recently expanded its pH buffer line with the new pH 6.86 and pH 9.18 buffers, both manufactured using NIST buffer chemistries resulting in compositions similar to pH SRMs available from NIST. Similar to the pH 4, 7, and 10 colored buffers introduced last year and standard to all Inorganic Ventures pH buffers, pH 6.86 and pH 9.18 are certified to ISO Guide 34 and ISO 17025 requirements and available in standard sizes from 250mL to 10L. Find out more here.

Pittcon 2015

Pittcon 2015, the 66th Conference and Exposition for Analytical Chemistry and Applied Spectroscopy, ended on March 12, in New Orleans. With more than 14,200 conferees and exhibitor personnel, you can understand why we enjoyed sharing our experiences at Pittcon with the world on Twitter. Follow us for the latest in industry insights and Inorganic Ventures' product news!

Ask The Experts

Q1: General Spectroscopy

We have just bought an ICP instrument and trying to get it certified.

My question for you is regarding your Method 200.7 Interference Check standards. If you would to compare EPA Method 200.7, section 7.13.1, where the interference check standard is specified, with your 200.7 Interference Checks, you will see two major differences:

  1. There concentrations are all different with or without dilutions. E.g., Al 200ppm (200.7) vs. 3,000ppm (IV 2007ICS-4), Fe 300ppm (200.7) vs. 12,500ppm (IV 2007ICS-4)
  2. You deleted Ce, but added B, Sb, Ag, As, K, Pb, Se, Zn, CA, Mg, and Na.

I am pretty sure you have good reasons to do so, but would like to hear about them. One of your chemists said this was based on a USP method, but the standards are listed as method 200.7 standards.

Thank you for your attention!

Answer: Click here.

Q2: Chemical Stability and Compatibility

I was wondering if you could explain how your certified values are calculated. Are they calculated based on aggregate and statistical analyses? If so, how many data points are used? I am specifically interested in phenolic, total cyanide, and soil/sludge metals. I am interested in the procedure(s) and statistical model(s) used.

Answer:Click here.

Guides & Papers

Group 9 — Co

General Information

Cobalt (Co) is found with minerals containing a possible variety of elements (Ni, As, S, Fe, Cr, Cu, Pb, and Mn) as the oxide, sulfide or arsenide but is not found naturally occurring as the metal. Co is not mined directly but is produced as a byproduct (mostly from Ni and Cu mining) of mining operations in Africa, the former Soviet Union and North America.

Cobalt is an element that is low to moderately abundant in the Earth's crust. Its abundance is roughly that equal to scandium. Cobalt and scandium are the less abundant of the first row transition elements, making them both candidates as internal standard (IS) elements. Cobalt is not favored for its use as an IS for its complex spectrum, but rather for its compatibility with all of the common mineral acids and fluxes used in sample preparation. Read More.

Jokes & Riddles

Did you know when you Google "best chemistry jokes ever" Inorganic Ventures is the first result? If you're looking for more humor to lighten your day, engage with us on Twitter and Facebook.

Why are chemists great for solving problems?

They have all the solutions.

Two atoms are walking down the street…

Says one atom to the other, "Hey! I think I lost an electron!"

The other says, "Are you sure??" 

"Yes, I'm positive!"