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What is the principle involved in modified brontrager test?
Borntrager's test is a chemical test for the identification of anthraquinone glycosides. Here anthraquinone glycosides are four type which O, N, S, C, and borntrager's test is use for O glycosides and modify borntrager's test use for C glycosides In this test boil test sample with 1ml of sulphuric acid in a test tube for 5min,filter while hot. Cool the filtrate and shake with equal volume of dichloromethane or chloroform then separate the lower layer of chloroform and shake it with half volume of dilute ammonia. A rose pink to red colour is produced in the ammonical layer. In some cases the anthraquinones may not answer for borntrager's test due to it's reduced form....in that time ferric chloride is used.......this test may called modified bontrager's test......... Reference: Text book of pharmacognosy by CK. kokate, AP. purohit,and SB.gokhale.
What drugss will Adderall test positive for?
Adderall will test positive for amphetamine. It is an amphetamine therefore it will test positive for such.
Will xanex test positive for methanphetamine on a urine test?
Will test positive for Benzodiazepines
What are the test to confirmed into positive of tuberculosis?
if montoux test is positive
What is false positive widal test?
What is false positive in widal test
Does cyclobenzaprine test positive to cocaine?
does cyclobenzaprine test positive for cocaine?
Did a pregnancy test was positive. went to docs was negative. Doc said that the test could have shown up positive if sperm was present at the time of the test. is this true?
There is no false positive pregnancy test result. If it has ever been positive, then it is positive.
Will you test positive on a redi test nicotine test if you are wearing patches?
will you test positive for oxycontin and opiates if you are taking both
Can your test come out positive then negative?
If it's a pregnancy test the answer is no, A test can come back negative even though its positive. But if it's positive, it's positive 99% of the time.
What is the Principle involved in Keller-Kilianis Test?
detects deoxy sugar
Can a positive pregnancy test turn negative?
No , but a negative test can be a false positive .
Which herbal supplements can cause a false positive on a urine drug test -?
Valerian Root can test positive as benzodiazepines. Ephedra can test positive as an amphetamine.
