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The purity of our products
Our priority is quality. All the
chemical products contained in our catalogue have been subjected to extremely
meticulous purity analysis in the Acros Organics QC laboratory.
The purity levels and physical and
chemical values indicated for the products in this catalogue represent typical
values. These percentages and measures are not norms, nor are they
specifications.
There is however a certain number
of products for which we have added a + sign to the quality indication, for
example +98%. For these products the typical level of purity will be greater
than the percentage indicated next to the name of the substance. In all other
cases, the contents of a batch will be close to the typical level of purity. If
the typical figure is high, you can expect the typical purity of an individual
batch to be closer to this typical figure than for products with a lower typical
value.
| Typical
quality of a product |
| Typical
value |
Tolerance
margin |
| 99.8%
and above |
0.05%
|
| 99.5%
and above |
0.1%
|
| 98%
and above |
0.5%
|
| 97%
and above |
1.0%
|
| 95%
and above |
1%
|
| 90%
and above |
2%
|
| 89%
and below |
5%
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All the same, you will find more
and more products on offer in our catalogue which comply with a particular
analysis norm.
The chemical products which
specifically indicate HPLC, PA, ACS, Pharmacopeia, Biochimie or any other
obvious norm are contained in this catalogue with a selection of minimum quality
requirements.
You should be aware that the
products which carry a Pharmacopeia quality indication have been analysed in
accordance with the chemical requirements of the relevant pharmacopea and have
satisfied these requirements. All the same, since no guarantee can be given that
the logistics have entirely complied with GMP, Acros Organics now only markets
these products for laboratory use.

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