Deutero
5 mm precision NMR tubes, Boro 5.1 glass, 300–800 MHz
5 mm precision NMR tubes, Boro 5.1 glass, 300–800 MHz
Pack sizes & prices
| Pack size | Excl. VAT | Add to cart |
|---|---|---|
| boro500-5-7 · 500 MHz · 7 in · pack of 5 · most common | €53,00€66,52 incl. VAT | |
| boro300-5-7 · 300 MHz · 7 in · pack of 5 | €26,88€33,73 incl. VAT | |
| boro300-5-8 · 300 MHz · 8 in · pack of 5 | €28,00€35,14 incl. VAT | |
| boro400-5-7 · 400 MHz · 7 in · pack of 5 | €36,96€46,38 incl. VAT | |
| boro400-5-8 · 400 MHz · 8 in · pack of 5 | €39,20€49,20 incl. VAT | |
| boro400-5-7-plus · 400 MHz · 7 in · thin wall · pack of 5 | €41,44€52,01 incl. VAT | |
| boro500-5-8 · 500 MHz · 8 in · pack of 5 | €56,00€70,28 incl. VAT | |
| boro600-5-7 · 600 MHz · 7 in · pack of 5 | €78,40€98,39 incl. VAT | |
| boro600-5-8 · 600 MHz · 8 in · pack of 5 | €84,00€105,42 incl. VAT | |
| boro800-5-7 · 800 MHz · 7 in · pack of 5 | €129,92€163,05 incl. VAT | |
| boro800-5-8 · 800 MHz · 8 in · pack of 5 | €143,36€179,92 incl. VAT |
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What this tube is for
5 mm NMR tubes made to a spectrometer grade, from 300 to 800 MHz, in Boro 5.1 borosilicate glass (ASTM type 1 class B) with a 0.43 mm wall. The 5 mm is the outer diameter of the tube (4.95 mm), the size that most NMR probes take. The length is given separately: 7 inches is 178 mm, 8 inches 203 mm. Deutero makes them for high-field NMR: each tube is measured individually and goes through quality control. They suit measurements with and without spinning.
For routine spectra, the cheaper economy tubes are enough. For class A glass or a 9-inch length, see the precision tubes in Boro 3.3 glass.
Your choices
Grade: 300, 400, 500, 600 or 800 MHz. The grade tells you how straight and round the tube is. Concentricity tells how even the wall is all round; camber tells how straight the tube is. Both get smaller as the grade goes up, from 7 and 25 µm at 300 MHz to 3 and 3 µm at 800 MHz. Choose the grade of your spectrometer, or a higher one. A higher grade spins more evenly and gives sharper lines; a lower grade on a high-field instrument can broaden them.
Length: 7 or 8 inches. This is the length of the glass tube. 7 inches (178 mm) is the standard NMR tube length and fits most spectrometers and sample changers; if you are not sure, choose 7 inches. Choose 8 inches (203 mm) only if your spectrometer or sample changer uses 8-inch tubes. Deutero makes other lengths on request; ask us if you need one.
Wall: standard or plus. All tubes have a 0.43 mm wall, except the 400 MHz plus tube (boro400-5-7-plus), which has a thinner wall of 0.40 mm, so the bore is slightly wider for the same outer diameter. It comes only in the 7-inch length.
Pack. Packs of 5, each tube with its cap. Deutero can supply the caps in a colour of your choice on request.
The most common choice is boro500-5-7: the 500 MHz grade in the 7-inch length.
Technical specifications
| Item no. | Grade | OD (mm) | Concentricity / camber (µm) |
|---|---|---|---|
|
boro300-5-7 boro300-5-8 |
300 MHz | 4.950 ± 0.020 | 7 / 25 |
|
boro400-5-7 boro400-5-8 |
400 MHz | 4.950 ± 0.015 | 7 / 13 |
| boro400-5-7-plus | 400 MHz, thin wall | 4.950 ± 0.015 | 7 / 13 |
|
boro500-5-7 boro500-5-8 |
500 MHz | 4.950 ± 0.015 | 5 / 13 |
|
boro600-5-7 boro600-5-8 |
600 MHz | 4.950 ± 0.010 | 4 / 4 |
|
boro800-5-7 boro800-5-8 |
800 MHz | 4.950 ± 0.005 | 3 / 3 |
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Further reading
Reading NMR spectra — a five-part series
Written by the chemists who interpret the spectra.
- Part 1 — Reading ¹H and ¹³C NMR
- Part 2 — Reading ¹⁹F, ³¹P and ¹¹B NMR
- Part 3 — Reading 2D NMR: COSY, HSQC and HMBC
- Part 4 — Quantitative NMR: how a purity figure is made
- Part 5 — ¹⁵N NMR: which nitrogen is alkylated, protonated or coordinated?
More in Analysis Notes.