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KBr powder is graded solely by purity standards that are relevant to infrared spectroscopy. We do not use such terms as 5 9s (99.999%) , 6 9s (99.9999%) as the means used to test material for such certifications, such as emission spectroscopy, do not detect the types of contaminants that produce absorption bands in an infrared spectrophotometer. In the industry, the highest specification for transmission optics is beam splitter grade material which is generally specified by FTIR spectrophotometer OEMs as material having absorption bands due to impurities of less than 1% measured at 4 wave resolution between 4400cm-1 and 450cm-1. The cut off for commercial grade KBr crystal optics at ICL is material having absorption bands due to impurities of less than 2% at 4 cm-1 resolution. Other manufacturers use a looser standard. SpectroGrade™ KBr powder is all made from crystal boules that are suitable for IR spectroscopy based upon ICL’s testing standards. FTIR Grade SpectroGrade™ KBr powder is made from KBr crystal boules that are not quite beam splitter grade material and is defined as material that does not have any absorbance peaks in excess of 1.5%. FTIR Premium SpectroGrade™ is the equivalent of beam splitter grade material, and it is made from a blend of KBr crystal boules in which peaks range from 0.9% to 1.1% . XL Ultrapure SpectroGrade™ is a blend of material from rare boules that exhibit absorbance bands under 0.8% and the impurity range goes down to 0.2%. Sample purity certificates as pdf files can be printed from this site.




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Item #

Item Name

Weight

List Price
0011-5078 XL Ultra Pure SpectroGrade™KBr Powder 99.999% pure, 25 grams 25 g $157.00
0011-4541 XL Ultra Pure SpectroGrade™ KBr Powder 99.999% pure, 100 grams 100 g $190.30
0011-4129 SpectroGrade™ KCl Powder, 100 grams 100 g $101.90
0011-4875 SpectroGrade™ NaCl Powder, 75 grams 75 g $96.00
0011-7694 SpecuGrind™ KBr Powder with special particle size for specular reflectance- 100gms N/A $165.00
0002-2498 KBr Random Cuttings--1 pound 1 lb $471.10
0002-2499 KCl Random Cuttings--1 pound 1 lb $406.60
0002-4534 ZnS (Cleartran) Random Cuttings--1/2 pound 1/2 lb $868.00
0002-4503 CaF2 Random Cuttings--1/2 pound 1/2 lb $769.00
0002-4523 CaF2 Random Cuttings--1 pound 1 lb $1,401.00
0002-4539 KBr Random Cuttings--100 grams 100 g $145.60
0002-5582 KBr Random Cuttings--50 grams 50 g $72.80
0002-4538 KCl Random Cuttings--100 grams 100 g $146.60
0002-5583 KCl Random Cuttings--25 grams 25 g $60.30
0002-4980 KCl Random Cuttings--50 grams 50 g $73.80
0002-4789 NaCl Random Cuttings--100 grams 100 g $110.00
0011-8967 Premium Grade FTIR SpectroGrade™ KBr Powder, 25 grams 25 g $99.80
0011-8966 Premium Grade FTIR SpectroGrade™ KBr Powder, 100 grams 100 g $126.80
0011-9330 Premium Grade FTIR SpectroGrade™ KBr Powder, 0.5 gram packets, 50 packs 0.5 g $126.00
0011-9331 Premium Grade FTIR SpectroGrade™ KBr Powder, 0.5 gram packets, 100 packs 0.5 g $224.00
0011-9334 Premium Grade FTIR SpectroGrade™ KBr Powder, 0.5 gram packets, 200 packs 0.5 g $364.00
0011-9329 Premium Grade FTIR SpectroGrade™ KBr Powder, 0.5 gram packets, 25 packs 0.5 g $84.00
  Results 1 - 22 of 22 1