Standard
In the analysis work, it often demanded to apply high-quality compound with the exact content being accurate in order to be compared as the detection control or used to calibrate the instrument, the compound is known as standard sample.
Standard refers to the standard substance used for measuring the potency of biological products. When the production department submits to a higher authority for approval of the quality standard of the biological product, they should also provide the standard sample (indicated in unit (μ)) used for measuring the potency of the tested product.
According to different application, the verification products can be divided into biological standard for the testing of biological products, endocrine drugs, antibiotics and other bioassay and chemical standards including:
1 chemical standards used for calibration of the instrument;
2 chemical reference standards used for calibration of the ultraviolet or infrared spectrum of the drugs;
3 control standards used for the purity test of drugs as well as the impurity control or as the control standards for content determination of the medicine.
In the page 67 of the appendix in the People's Republic of China Pharmacopoeia 1990 1st edition, we can find hundreds kinds of standards including bornyl ester acetate, eugenol and panaxadiol as well as 39 kinds of control medicine for the purify inspection of traditional Chinese medicine, impurity control or the content determination.
International standards
This refers to standard sample, with the potency units of the existing international standard sample potency units as baseline, undergoing further calibration of its potency units on the basis of a wide range of international cooperation. Its potency is expressed in 1U. For a certain product, for the establishment of the first international standard sample, the determination of its potency units should be consulted and decided by the Committee of Experts before the announcement. The international standard is a standard reference substance for worldwide preparation of national standards, so that the international standards can achieve unity.
Reagents and standards
All reagents in the food analysis laboratories should be clearly labeled to indicate the following: 1 name; 2 the date of preparation; 3 Signature from the people in charge; 4 if necessary, we need to add content such as safety and validity and so on.
Most food analysis should use standard sample as reference for qualitative and quantitative determination. The standard sample should be classified according to the following classification methods: 1 international standard; 2 national standards; 3 internal standard; 4 other standards.
Receptacle for reference standards should be clearly affixed to the label, to indicate the following: 1 name; 2 standard document number; 3 Opening times; 4 Validity; 5 Signature.
In addition, the laboratory should keep all the necessary specific files for all the necessary reference standards.
Capacity analysis standard solution should also be strictly managed. It should be clearly posted on all the standard solution containers with labels to indicate: 1 name; 2 concentration; 3 formulation date; 4 No of formulated procedures; 5 storage conditions; 6 validity; 7 Signature from people in charge.
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- Structure:
- Chemical Name:
- 2-Benzhydrylsulphinylacetic acid
- CAS:
- 63547-24-0
- MF:
- C15H14O3S
- Structure:
- Chemical Name:
- 2-Methylamino-1-(3,4-methylenedioxyphenyl)propan-1-one-hydrochloridepropan-1-one-hydrochloride
- CAS:
- 186028-80-8
- MF:
- C11H14ClNO3
- Structure:
- Chemical Name:
- METHYL HENEICOSANOATE
- CAS:
- 6064-90-0
- MF:
- C22H44O2
- Structure:
- Chemical Name:
- 4-BUTYL-4-[HYDROXYMETHYL]-1,2-DIPHENYL-3,5-PYRAZOLIDINEDIONE HYDROGEN SUCCINATE [ESTER]
- CAS:
- 27470-51-5
- MF:
- C24H26N2O6
- Chemical Name:
- ENTEROKINASE
- CAS:
- 9014-74-8
- MF:
- NULL
- Structure:
- Chemical Name:
- O,P'-DDE
- CAS:
- 3424-82-6
- MF:
- C14H8Cl4
- Structure:
- Chemical Name:
- (+)-ISOMENTHOL
- CAS:
- 23283-97-8
- MF:
- C10H20O
- Structure:
- Chemical Name:
- PAXILLINE
- CAS:
- 57186-25-1
- MF:
- C27H33NO4
- Structure:
- Chemical Name:
- DITHIOPYR
- CAS:
- 97886-45-8
- MF:
- C15H16F5NO2S2
- Structure:
- Chemical Name:
- GAMMA-LINOLENIC ACID METHYL ESTER
- CAS:
- 16326-32-2
- MF:
- C19H32O2
- Structure:
- Chemical Name:
- 4-tert-Butyl-2-chlorophenol
- CAS:
- 98-28-2
- MF:
- C10H13ClO
- Structure:
- Chemical Name:
- CORTISOL 17-VALERATE
- CAS:
- 57524-89-7
- MF:
- C26H38O6
- Structure:
- Chemical Name:
- 1-(2-[4-Chlorophenoxy]acetyl)-4-(3,4-methylenedioxybenzyl)piperazine
- CAS:
- 34161-24-5
- MF:
- C20H21ClN2O4
- Structure:
- Chemical Name:
- HYDROXYZINE PAMOATE
- CAS:
- 10246-75-0
- MF:
- C44H43ClN2O8
- Chemical Name:
- SUNFLOWER SEED OIL
- CAS:
- 8001-21-6
- MF:
- NULL
- Structure:
- Chemical Name:
- (-)-TERPINEN-4-OL
- CAS:
- 20126-76-5
- MF:
- C10H18O
- Structure:
- Chemical Name:
- O-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE
- CAS:
- 1773-44-0
- MF:
- C14H12N4O4
- Chemical Name:
- CHONDROITIN SULFATE B SODIUM SALT
- CAS:
- 54328-33-5
- MF:
- NULL
- Structure:
- Chemical Name:
- BENZALDEHYDE 2,4-DINITROPHENYLHYDRAZONE
- CAS:
- 1157-84-2
- MF:
- C13H10N4O4
- Structure:
- Chemical Name:
- 5-Ethyl-2-(4-isopropyl-4-methyl-5-oxo-1H-imidazolin-2-yl)nicotinic acid
- CAS:
- 81385-77-5
- MF:
- C32H24O3S
- Structure:
- Chemical Name:
- ETHYL METHYL KETONE 2,4-DINITROPHENYLHYDRAZONE
- CAS:
- 958-60-1
- MF:
- C10H12N4O4
- Structure:
- Chemical Name:
- DIHYDROMETHYSTICIN
- CAS:
- 19902-91-1
- MF:
- C15H16O5
- Structure:
- Chemical Name:
- 2,4,5,6-TETRACHLORO-M-XYLENE
- CAS:
- 877-09-8
- MF:
- C8H6Cl4
- Structure:
- Chemical Name:
- DIBENZO[B,DEF]CHRYSENE
- CAS:
- 189-64-0
- MF:
- C24H14
- Structure:
- Chemical Name:
- ALPHA,ALPHA'-BIS(4-HYDROXYPHENYL)-1,4-DIISOPROPYLBENZENE
- CAS:
- 2167-51-3
- MF:
- C24H26O2
- Structure:
- Chemical Name:
- N-NITROSOPIPERIDINE
- CAS:
- 100-75-4
- MF:
- C5H10N2O
- Structure:
- Chemical Name:
- CIS-11-OCTADECENOIC ACID METHYL ESTER
- CAS:
- 1937-63-9
- MF:
- C19H36O2
- Structure:
- Chemical Name:
- Rilmenidine phosphate
- CAS:
- 85409-38-7
- MF:
- C10H19N2O5P
- Structure:
- Chemical Name:
- 2,4,6-TRICHLOROANISOLE
- CAS:
- 87-40-1
- MF:
- C7H5Cl3O
- Structure:
- Chemical Name:
- ETHYLHYDROCUPREINE HYDROCHLORIDE
- CAS:
- 3413-58-9
- MF:
- C21H29ClN2O2
- Structure:
- Chemical Name:
- DIBENZO(A,I)PYRENE
- CAS:
- 191-30-0
- MF:
- C24H14
- Structure:
- Chemical Name:
- 1(ALPHA) 25-DIHYDROXYVITAMIN D2*
- CAS:
- 60133-18-8
- MF:
- C28H44O3
- Structure:
- Chemical Name:
- Demethyl tetrandrine
- CAS:
- 33889-68-8
- MF:
- C37H40N2O6
- Structure:
- Chemical Name:
- (-)-alpha-bisabolol
- CAS:
- 23089-26-1
- MF:
- C15H26O
- Structure:
- Chemical Name:
- 4,4'-DDA
- CAS:
- 83-05-6
- MF:
- C14H10Cl2O2
- Structure:
- Chemical Name:
- Calcium levulinate dihydrate
- CAS:
- 5743-49-7
- MF:
- C10H18CaO8
- Structure:
- Chemical Name:
- HEXOBARBITAL
- CAS:
- 56-29-1
- MF:
- C12H16N2O3
- Structure:
- Chemical Name:
- DIBUTYL CHLORENDATE
- CAS:
- 1770-80-5
- MF:
- C17H20Cl6O4
- Structure:
- Chemical Name:
- alpha-Ethyl-2-oxo-1-pyrrolidineacetic acid
- CAS:
- 67118-31-4
- MF:
- C8H13NO3
- Structure:
- Chemical Name:
- Potassium trichloroammineplatinate (II)
- CAS:
- 13820-91-2
- MF:
- Cl3H3KNPt
- Structure:
- Chemical Name:
- Piretanide
- CAS:
- 55837-27-9
- MF:
- C17H18N2O5S
- Structure:
- Chemical Name:
- P-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE
- CAS:
- 2571-00-8
- MF:
- C14H12N4O4
- Structure:
- Chemical Name:
- Flurprimidol
- CAS:
- 56425-91-3
- MF:
- C15H15F3N2O2
- Structure:
- Chemical Name:
- 4-METHOXY-1,3-PHENYLENEDIAMINE SULFATE HYDRATE
- CAS:
- 123333-56-2
- MF:
- C7H10N2O.H2O4S
- Structure:
- Chemical Name:
- ISOBENZAN
- CAS:
- 297-78-9
- MF:
- C9H4Cl8O
- Structure:
- Chemical Name:
- Dihydrokawain
- CAS:
- 587-63-3
- MF:
- C14H16O3
- Structure:
- Chemical Name:
- PHENANTHRENE-D10
- CAS:
- 1517-22-2
- MF:
- C14D10
- Structure:
- Chemical Name:
- Disodium clodronate tetrahydrate
- CAS:
- 88416-50-6
- MF:
- CH7Cl2NaO7P2
- Structure:
- Chemical Name:
- AMCINONIDE
- CAS:
- 51022-69-6
- MF:
- C28H35FO7
- Structure:
- Chemical Name:
- 2,5-DIMETHYLCYCLOHEXANOL
- CAS:
- 3809-32-3
- MF:
- C8H16O
- Structure:
- Chemical Name:
- OXANTEL PAMOATE
- CAS:
- 68813-55-8
- MF:
- C49H48N4O8
- Structure:
- Chemical Name:
- MINAPRINE DIHYDROCHLORIDE
- CAS:
- 25905-77-5
- MF:
- C17H22N4O
- Structure:
- Chemical Name:
- 2-NITRONAPHTHALENE
- CAS:
- 581-89-5
- MF:
- C10H7NO2
- Structure:
- Chemical Name:
- TRANS-11-OCTADECENOIC ACID
- CAS:
- 693-72-1
- MF:
- C18H34O2
- Structure:
- Chemical Name:
- Framycetin sulphate
- CAS:
- 4146-30-9
- MF:
- C23H48N6O17S
- Structure:
- Chemical Name:
- Sennoside D
- CAS:
- 37271-17-3
- MF:
- C42H40O19
- Structure:
- Chemical Name:
- PROADIFEN HYDROCHLORIDE
- CAS:
- 62-68-0
- MF:
- C23H32ClNO2
- Structure:
- Chemical Name:
- BUPRENORPHINE HYDROCHLORIDE
- CAS:
- 53152-21-9
- MF:
- C29H41NO4.ClH
- Structure:
- Chemical Name:
- (+/-)-THIOPENTAL
- CAS:
- 76-75-5
- MF:
- C11H18N2O2S
- Chemical Name:
- MOLGRASTIM
- CAS:
- 99283-10-0
- Structure:
- Chemical Name:
- TRICHLORONATE
- CAS:
- 327-98-0
- MF:
- C10H12Cl3O2PS
- Structure:
- Chemical Name:
- CHLORDENE
- CAS:
- 3734-48-3
- MF:
- C10H6Cl6
- Structure:
- Chemical Name:
- Menthyl anthranilate
- CAS:
- 134-09-8
- MF:
- C17H25NO2
- Structure:
- Chemical Name:
- DIISOPROPYL METHYLPHOSPHONATE
- CAS:
- 1445-75-6
- MF:
- C7H17O3P
- Structure:
- Chemical Name:
- THIONAZIN
- CAS:
- 297-97-2
- MF:
- C8H13N2O3PS
- Structure:
- Chemical Name:
- FLUBENDAZOLE
- CAS:
- 37893-02-0
- MF:
- C17H10F6N4S
- Structure:
- Chemical Name:
- 5-ALPHA-ANDROSTANE
- CAS:
- 438-22-2
- MF:
- C19H32
- Structure:
- Chemical Name:
- BETULIN DIACETATE
- CAS:
- 1721-69-3
- MF:
- C34H54O4
- Structure:
- Chemical Name:
- N-HEPTATRIACONTANE
- CAS:
- 7194-84-5
- MF:
- C37H76
- Structure:
- Chemical Name:
- 2-(4-Methoxybenzylamino)pyridine
- CAS:
- 52818-63-0
- MF:
- C13H14N2O
- Structure:
- Chemical Name:
- Dimethenamid
- CAS:
- 87674-68-8
- MF:
- C12H18ClNO2S
- Structure:
- Chemical Name:
- DibroMoethane-d4
- CAS:
- 22581-63-1
- MF:
- C2Br2D4
- Structure:
- Chemical Name:
- Testosterone benzoate
- CAS:
- 2088-71-3
- MF:
- C26H32O3
- Structure:
- Chemical Name:
- OXYPHENCYCLIMINE
- CAS:
- 125-52-0
- MF:
- C20H28N2O3.ClH
- Structure:
- Chemical Name:
- FRANGULIN B
- CAS:
- 14101-04-3
- MF:
- C20H18O9
- Structure:
- Chemical Name:
- 2,3,4-TRICHLOROANISOLE
- CAS:
- 54135-80-7
- MF:
- C7H5Cl3O
- Structure:
- Chemical Name:
- 2-Aminoperimidine Hydrobromide
- CAS:
- 40835-96-9
- MF:
- C11H10BrN3
- Structure:
- Chemical Name:
- FRANGULIN A
- CAS:
- 521-62-0
- MF:
- C21H20O9
- Structure:
- Chemical Name:
- BENFLUOREX HYDROCHLORIDE
- CAS:
- 23642-66-2
- MF:
- C19H20F3NO2.ClH
- Structure:
- Chemical Name:
- BETA-ESTRADIOL 17-ACETATE
- CAS:
- 1743-60-8
- MF:
- C20H26O3
- Structure:
- Chemical Name:
- OPIPRAMOL
- CAS:
- 315-72-0
- MF:
- C23H29N3O
- Structure:
- Chemical Name:
- T-2 TOXIN
- CAS:
- 21259-20-1
- MF:
- C24H34O9
- Structure:
- Chemical Name:
- BENZO(C)PHENANTHRENE
- CAS:
- 195-19-7
- MF:
- C18H12
- Structure:
- Chemical Name:
- AZOXYBENZENE
- CAS:
- 495-48-7
- MF:
- C12H10N2O
- Structure:
- Chemical Name:
- 3-METHOXY-DL-TYROSINE
- CAS:
- 7636-26-2
- MF:
- C10H13NO4
- Structure:
- Chemical Name:
- 4-(DIPHENYLMETHOXY)PIPERIDINE
- CAS:
- 58258-01-8
- MF:
- C18H21NO
- Structure:
- Chemical Name:
- N,N'-Dipropylurea
- CAS:
- 623-95-0
- MF:
- C7H16N2O
- Structure:
- Chemical Name:
- Fenoxanil
- CAS:
- 115852-48-7
- MF:
- C15H18Cl2N2O2
- Structure:
- Chemical Name:
- MCPB
- CAS:
- 94-81-5
- MF:
- C11H13ClO3
- Structure:
- Chemical Name:
- BHC
- CAS:
- 608-73-1
- MF:
- C6H6Cl6
- Structure:
- Chemical Name:
- ISOPRENALINE SULFATE
- CAS:
- 6700-39-6
- MF:
- 2C11H17NO3.2H2O.H2O4S
- Structure:
- Chemical Name:
- 4-BENZOYLOXY-TEMPO
- CAS:
- 3225-26-1
- MF:
- C16H22NO3*
- Structure:
- Chemical Name:
- Spectinomycin sulfate tetrahydrate
- CAS:
- 64058-48-6
- MF:
- C14H26N2O11S
- Structure:
- Chemical Name:
- 2-AMINO-4,6-DINITROTOLUENE
- CAS:
- 35572-78-2
- MF:
- C7H7N3O4
- Structure:
- Chemical Name:
- BENTRANIL
- CAS:
- 1022-46-4
- MF:
- C14H9NO2
- Structure:
- Chemical Name:
- ACETYLSALICYLSALICYLIC ACID
- CAS:
- 530-75-6
- MF:
- C16H12O6
- Structure:
- Chemical Name:
- 1,1-DICHLOROPROPENE
- CAS:
- 563-58-6
- MF:
- C3H4Cl2
- Structure:
- Chemical Name:
- 3-AMINO-2-OXAZOLIDINONE
- CAS:
- 80-65-9
- MF:
- C3H6N2O2
- Structure:
- Chemical Name:
- DIHYDROERGOCRISTINE MESYLATE
- CAS:
- 24730-10-7
- MF:
- C36H45N5O8S
- Structure:
- Chemical Name:
- EPN
- CAS:
- 2104-64-5
- MF:
- C14H14NO4PS