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Depending on the intended use, it is necessary to take into account the exact specification of purity or quality when ordering chemicals.
Degrees at mychem.ch (there are more):
1. "Technically": All chemicals without additional designation (e.g. "sodium chlorite") are considered "technical"
2. "Pure" or "pure", "pure"
3. "Pure" or "Puriss"
4. "Pheur" or "Ph. EUR."
Information on the degrees of purity:
1. Technical quality.
Products without or with the purity name "technically" usually have a "unclean" salary. They are manufactured in a large scale and can have a foreign odor and color. Your content of e.g. heavy metals, such as lead etc. is usually relatively high. They are used for general technical purposes.
2. Purum (= pure), so chemically pure quality
- Minimum content 97 %, unless another content is given in %
- Suitable for synthesis and laboratory purposes
3. Purissimum (= pure; of the highest purity that is possible)
These are fabrics of particularly pure quality, so that with normal chem. Analysis methods can no longer be demonstrated:
- content of at least 99 % or higher
- are suitable for work with high purity requirements.
4. "Pheur" or "Ph. EUR."
are the common spellings for the European medicine book (European Pharmacopea). Ph. EUR is a collection of official standards that, after its publication, offer a legal and scientific basis for the quality control of substances for pharmaceutical use and drugs during development, production and marketing processes.
However, the respective purity is not standardized and is determined by the respective manufacturer. The exact specification of two chemicals apparently the same purity degrees does not have to be identical. It is always dependent on the manufacturer.
In most cases is Food qualityLess pure than "PH EUR". "PH EUR" describes the quality of drugs and their components, the strictest purity and quality standards are subject. Food quality, on the other hand, refers to the suitability of fabrics for food processing and thus human consumption and can have a certain tolerance for certain contaminants, which, for example, are not permitted for analysis purposes.
Usage information
In the safety data sheets and additional information, you will find a usage notification for the substance. You should never interpret this as a restriction of application. Application instructions "for microscopy" or "for biochemical purposes" only say that certain specifications are specially tailored to these applications.
Depending on the intended use, it is necessary to take into account the exact specification of purity or quality when ordering chemicals.
Degrees at mychem.ch (there are more):
1. "Technically": All chemicals without additional designation (e.g. "sodium chlorite") are considered "technical"
2. "Pure" or "pure", "pure"
3. "Pure" or "Puriss"
4. "Pheur" or "Ph. EUR."
Information on the degrees of purity:
1. Technical quality.
Products without or with the purity name "technically" usually have a "unclean" salary. They are manufactured in a large scale and can have a foreign odor and color. Your content of e.g. heavy metals, such as lead etc. is usually relatively high. They are used for general technical purposes.
2. Purum (= pure), so chemically pure quality
- Minimum content 97 %, unless another content is given in %
- Suitable for synthesis and laboratory purposes
3. Purissimum (= pure; of the highest purity that is possible)
These are fabrics of particularly pure quality, so that with normal chem. Analysis methods can no longer be demonstrated:
- content of at least 99 % or higher
- are suitable for work with high purity requirements.
4. "Pheur" or "Ph. EUR."
are the common spellings for the European medicine book (European Pharmacopea). Ph. EUR is a collection of official standards that, after its publication, offer a legal and scientific basis for the quality control of substances for pharmaceutical use and drugs during development, production and marketing processes.
However, the respective purity is not standardized and is determined by the respective manufacturer. The exact specification of two chemicals apparently the same purity degrees does not have to be identical. It is always dependent on the manufacturer.
In most cases is Food qualityLess pure than "PH EUR". "PH EUR" describes the quality of drugs and their components, the strictest purity and quality standards are subject. Food quality, on the other hand, refers to the suitability of fabrics for food processing and thus human consumption and can have a certain tolerance for certain contaminants, which, for example, are not permitted for analysis purposes.
Usage information
In the safety data sheets and additional information, you will find a usage notification for the substance. You should never interpret this as a restriction of application. Application instructions "for microscopy" or "for biochemical purposes" only say that certain specifications are specially tailored to these applications.
