FIELD: analytical chemistry.
SUBSTANCE: for the purpose to detect defects at opening about 1 mcm at coarse surface a penetrating agent contains "the main raspberry" dyestuff of antipyrinic group with quinoid group and non-ionogenic SAS and it, additionally, contains acidic supplement , moreover, these ingredients should be taken at the following ratio (weight%): the main raspberry dyestuff 3.0-5.0, non-ionogenic SAS 0.5-1.0, acid - at the quantity from low acidic to approximately neutral pH, water - the rest.
EFFECT: higher sensitivity.
3 cl, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| PENETRATING AGENT FOR LIQUID CAPILLARY FLAW DETECTION | 2003 |
|
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SU1767867A1 |
