GB 1790-1994 Medical Vaseline GB1790-1994 Standard download and decompression password: www.bzxz.net

National Standard of the People's Republic of China
Shilin
Medicine
Fan
Medical
Medicinal vaseline
Theme content and scope of application||tt ||This standard specifies the technical requirements, test methods, and inspection rules for pharmaceutical petroleum jelly. GB 1790— 94
replaces GB1790-86
This standard is applicable to high-viscosity petroleum lubricating oil fractions, wax paste obtained by dewaxing, blended with lubricating oil base oil, and then refined. Medical Vaseline. This product is suitable for preparing pharmaceutical ointments and skin protection ointments as raw materials. 2
Quoted standards
GB/T269 Determination of cone penetration of grease and petroleum grease GB/T8026 Determination of melting point of petroleum wax and petroleum grease droplets Pharmacopoeia of the People's Republic of China (1990 edition) Part 2 (Yellow , white) Vaseline SH/T0115 Dropping point determination method for greases and solid hydrocarbons SH0164 Petroleum product packaging, storage, transportation and delivery acceptance rules SH/T0229 Sampling method for solid and semi-solid petroleum products SH/T0406 Vaseline UV absorbance determination method 3 Product classification
The products covered by this standard are divided into two types: medical white petroleum jelly and medical yellow petroleum jelly according to the refining depth. 4 technical requirements
item
appearance
color
dropping point, heart
drip melting point,
hundred
UV Absorbance (290 nm)
Organic acid.mg Nac)H/g
Not greater than
Not greater than
Quality index
Medical white petroleum jelly|| tt||Medical yellow petroleum jelly
Uniform, odorless and flawless ointment, it should have
a certain degree of stringiness
lighter than colorimetric solution A
45~56|| tt||Lighter than colorimetric solution B
45~56
Report
0.50
Approved by the State Bureau of Technical Supervision on 1994-08-23 0.08
Q.75
Test method
Visual inspection
Chinese Pharmacopoeia Part II Appendix page 57
SH/T 0115
GB/T 8026||tt| |SH/T 0406
Chinese Pharmacopoeia Part 2, page 133, page 617
Implemented on 1995-06-01
241
Acid storage degree

item
short ignition line slag,%
sulfide
four
not greater than
30. 1 mm
GB 1790—94
Continuation table
Quality index
Medical white petroleum jelly
None
None||tt ||0.05
Qualified
Medical yellow petroleum jelly
130~250
Test method
Chinese Pharmacopoeia Part 2, page 133, page 617
Chinese Pharmacopoeia Part 2, page 133, page 617
Chinese Pharmacopoeia, Part 2, page 133, page 617www.bzxz.net
Chinese Pharmacopoeia Part 2, appendix page 49
GB/T269
Note: 1) Colorimetric solution A: Take 7.8 mL of potassium dichromate solution for colorimetry, and add 0.2 mL of copper sulfate solution for colorimetry. Shake well, take 2.5 mL, and add water to make it 25 mL. 2) Colorimetric solution B: Take 2.0 mL of cobalt chloride solution for colorimetry and 6.0 mL of potassium dichromate solution for colorimetry, and add water to make it 10 mL. 5 Marking, packaging, transportation, storage
The packaging, marking, storage, transportation and delivery acceptance of this product are carried out in accordance with SH0164, and must be packed in clean iron drums. 6 Sampling
Sampling shall be carried out according to SH/T Center 229, and 2kg shall be taken for inspection and sample retention. Additional notes:
This standard was proposed by China Petroleum & Chemical Corporation and is under the technical control of Fushun Petrochemical Research Institute. This standard is drafted by the Chemical Industry Department of Jinling Petrochemical Company. The main drafter of this standard is Ma Yunsheng.
This label adopts the British Pharmacopoeia BP-88 "Pharmaceutical Vaseline". 2
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